{ "title": "UK metals and polymers: manufacturing inventory", "version": "1.0", "as_of": "2026-10-09", "scope": "Broad material-family and subtype inventory with selected grade examples. Not a complete register of proprietary grades or a quantified census of UK stocks.", "materials": [ { "id": "P001", "domain": "Polymer", "name": "Polyethylene", "code": "PE", "family": "Polyolefins", "record_level": "Polymer family", "chemical_basis": "Ethylene-derived C-H chains", "behaviour_or_form": "Thermoplastic", "aliases": "Polythene", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S02", "S07" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P002", "domain": "Polymer", "name": "High-density polyethylene", "code": "PE-HD / HDPE", "family": "Polyolefins", "record_level": "PE subtype", "chemical_basis": "PE with relatively low branching", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S04", "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P003", "domain": "Polymer", "name": "Low-density polyethylene", "code": "PE-LD / LDPE", "family": "Polyolefins", "record_level": "PE subtype", "chemical_basis": "Branched PE", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S04", "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P004", "domain": "Polymer", "name": "Linear low-density polyethylene", "code": "PE-LLD / LLDPE", "family": "Polyolefins", "record_level": "PE subtype", "chemical_basis": "Ethylene/alpha-olefin copolymer", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S04" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P005", "domain": "Polymer", "name": "Medium-density polyethylene", "code": "PE-MD / MDPE", "family": "Polyolefins", "record_level": "PE subtype", "chemical_basis": "PE density class", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Subtype retained for coverage; separate UK supplier grade still to verify.", "source_ids": [ "S02" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P006", "domain": "Polymer", "name": "Ultra-high-molecular-weight polyethylene", "code": "PE-UHMW / UHMWPE", "family": "Polyolefins", "record_level": "PE subtype", "chemical_basis": "PE with very long chains", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global catalogue class; UK product source not separately verified.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P007", "domain": "Polymer", "name": "Cross-linked polyethylene", "code": "PE-X / XLPE", "family": "Polyolefins", "record_level": "PE subtype", "chemical_basis": "PE chains joined by covalent cross-links", "behaviour_or_form": "Cross-linked network", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P008", "domain": "Polymer", "name": "Polypropylene", "code": "PP", "family": "Polyolefins", "record_level": "Polymer family", "chemical_basis": "Propylene-derived C-H chains", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S04", "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P009", "domain": "Polymer", "name": "Polybutene-1", "code": "PB-1", "family": "Polyolefins", "record_level": "Polymer type", "chemical_basis": "Butene-1-derived C-H chains", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "BPF material reference; UK resin offer not separately verified.", "source_ids": [ "S02" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P010", "domain": "Polymer", "name": "Polymethylpentene", "code": "PMP", "family": "Polyolefins", "record_level": "Polymer type", "chemical_basis": "4-methylpentene-1-derived polymer", "behaviour_or_form": "Thermoplastic", "aliases": "TPX (brand family; grade check)", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S08" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P011", "domain": "Polymer", "name": "Ethylene-vinyl acetate copolymer", "code": "EVA", "family": "Ethylene copolymers", "record_level": "Polymer type", "chemical_basis": "Ethylene plus vinyl acetate; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S04", "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P012", "domain": "Polymer", "name": "Polyolefin elastomers", "code": "POE", "family": "Ethylene copolymers", "record_level": "Polymer family", "chemical_basis": "Ethylene/alpha-olefin elastomeric copolymers", "behaviour_or_form": "Thermoplastic elastomer", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P013", "domain": "Polymer", "name": "General-purpose polystyrene", "code": "PS / GPPS", "family": "Styrenics", "record_level": "Polymer type", "chemical_basis": "Styrene-derived aromatic C-H chains", "behaviour_or_form": "Thermoplastic", "aliases": "Solid polystyrene", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P014", "domain": "Polymer", "name": "High-impact polystyrene", "code": "PS-HI / HIPS", "family": "Styrenics", "record_level": "Modified polymer", "chemical_basis": "PS with rubber modification, commonly polybutadiene", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P015", "domain": "Polymer", "name": "Expanded polystyrene", "code": "EPS", "family": "Styrenics", "record_level": "Physical form", "chemical_basis": "PS in expanded cellular form", "behaviour_or_form": "Thermoplastic foam", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Foam form of PS; do not count as a separate base polymer.", "source_ids": [ "S02" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P016", "domain": "Polymer", "name": "Acrylonitrile-butadiene-styrene", "code": "ABS", "family": "Styrenics", "record_level": "Polymer type", "chemical_basis": "Styrene/acrylonitrile phase with butadiene rubber; C,H,N", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S06", "S09" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P017", "domain": "Polymer", "name": "Acrylonitrile-styrene-acrylate", "code": "ASA", "family": "Styrenics", "record_level": "Polymer type", "chemical_basis": "Styrenic polymer with acrylate rubber; C,H,N,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S06", "S07" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P018", "domain": "Polymer", "name": "Styrene-acrylonitrile", "code": "SAN", "family": "Styrenics", "record_level": "Polymer type", "chemical_basis": "Styrene and acrylonitrile copolymer; C,H,N", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S06", "S08" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P019", "domain": "Polymer", "name": "Methyl methacrylate-acrylonitrile-butadiene-styrene", "code": "MABS", "family": "Styrenics", "record_level": "Polymer type", "chemical_basis": "Multicomponent styrenic polymer; C,H,N,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P020", "domain": "Polymer", "name": "Syndiotactic polystyrene", "code": "sPS", "family": "Styrenics", "record_level": "PS subtype", "chemical_basis": "Stereoregular polystyrene", "behaviour_or_form": "Thermoplastic", "aliases": "Xarec (brand)", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P021", "domain": "Polymer", "name": "Unplasticised polyvinyl chloride", "code": "PVC-U", "family": "Vinyl polymers", "record_level": "PVC formulation family", "chemical_basis": "PVC chains; C,H,Cl; stabilisers vary", "behaviour_or_form": "Thermoplastic", "aliases": "uPVC", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S07", "S10" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P022", "domain": "Polymer", "name": "Plasticised polyvinyl chloride", "code": "PVC-P", "family": "Vinyl polymers", "record_level": "PVC formulation family", "chemical_basis": "PVC plus plasticiser and additives", "behaviour_or_form": "Thermoplastic", "aliases": "Flexible PVC", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S07" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P023", "domain": "Polymer", "name": "Chlorinated polyvinyl chloride", "code": "PVC-C / CPVC", "family": "Vinyl polymers", "record_level": "Modified polymer", "chemical_basis": "Further-chlorinated PVC", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S07", "S10" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P024", "domain": "Polymer", "name": "Polyvinyl alcohol", "code": "PVOH", "family": "Vinyl polymers", "record_level": "Polymer type", "chemical_basis": "Hydroxyl-bearing vinyl polymer; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "PVA is ambiguous: also used for PVAc", "uk_evidence": "Supply-chain reference", "evidence_note": "Manufacturer and UK feedstock link found; UK downstream quantity not established.", "source_ids": [ "S14", "S43" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P025", "domain": "Polymer", "name": "Polyvinyl acetate", "code": "PVAc", "family": "Vinyl polymers", "record_level": "Polymer type", "chemical_basis": "Acetate-bearing vinyl polymer; C,H,O", "behaviour_or_form": "Thermoplastic / dispersion binder", "aliases": "", "uk_evidence": "Supply-chain reference", "evidence_note": "UK feedstock supplier identifies downstream polymer; verify specific UK resin offer.", "source_ids": [ "S14" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P026", "domain": "Polymer", "name": "Polyvinyl butyral", "code": "PVB", "family": "Vinyl polymers", "record_level": "Polymer type", "chemical_basis": "Partially acetalised PVOH; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "Supply-chain reference", "evidence_note": "Downstream use in laminated glazing identified; direct UK resin listing not checked.", "source_ids": [ "S14" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P027", "domain": "Polymer", "name": "Ethylene-vinyl alcohol copolymer", "code": "EVOH", "family": "Ethylene copolymers", "record_level": "Polymer type", "chemical_basis": "Ethylene and vinyl-alcohol units; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "Supply-chain reference", "evidence_note": "Barrier-layer polymer identified by UK feedstock supplier.", "source_ids": [ "S14" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P028", "domain": "Polymer", "name": "Poly(methyl methacrylate)", "code": "PMMA", "family": "Acrylics", "record_level": "Polymer type", "chemical_basis": "Methyl methacrylate polymer; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "Acrylic; PLEXIGLAS (brand)", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S07", "S09" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P029", "domain": "Polymer", "name": "Polyacrylonitrile", "code": "PAN", "family": "Acrylics", "record_level": "Polymer type", "chemical_basis": "Acrylonitrile polymer; C,H,N", "behaviour_or_form": "Usually solution-processed fibre polymer", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global catalogue listing; specific UK supply link remains open.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P030", "domain": "Polymer", "name": "Poly(ethylene terephthalate)", "code": "PET", "family": "Polyesters", "record_level": "Polymer type", "chemical_basis": "Ethylene glycol/terephthalate polyester; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S06", "S07" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P031", "domain": "Polymer", "name": "Glycol-modified PET copolyester", "code": "PETG / PET-G", "family": "Polyesters", "record_level": "Copolyester type", "chemical_basis": "Copolyester with modified glycol component", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P032", "domain": "Polymer", "name": "Poly(butylene terephthalate)", "code": "PBT", "family": "Polyesters", "record_level": "Polymer type", "chemical_basis": "Butanediol/terephthalate polyester; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S09" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P033", "domain": "Polymer", "name": "Poly(ethylene naphthalate)", "code": "PEN", "family": "Polyesters", "record_level": "Polymer type", "chemical_basis": "Ethylene glycol/naphthalate polyester; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Specialist global catalogue; UK supply verification remains open.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P034", "domain": "Polymer", "name": "Glycol-modified PCT copolyester", "code": "PCT-G", "family": "Polyesters", "record_level": "Polymer type", "chemical_basis": "Cyclohexanedimethanol-based copolyester", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S08" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P035", "domain": "Polymer", "name": "Polycarbonate", "code": "PC", "family": "Polycarbonates", "record_level": "Polymer type", "chemical_basis": "Carbonate-linked polymer; commercial grade chemistry varies", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S09" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P036", "domain": "Polymer", "name": "Polyoxymethylene", "code": "POM", "family": "Polyacetals", "record_level": "Polymer type", "chemical_basis": "Oxymethylene chain; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "Acetal; polyacetal", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S07" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P037", "domain": "Polymer", "name": "Polyamide 6", "code": "PA6", "family": "Polyamides", "record_level": "Polymer type", "chemical_basis": "Caprolactam-derived amide polymer; C,H,N,O", "behaviour_or_form": "Thermoplastic", "aliases": "Nylon 6", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P038", "domain": "Polymer", "name": "Polyamide 66", "code": "PA66", "family": "Polyamides", "record_level": "Polymer type", "chemical_basis": "Hexamethylenediamine/adipate polyamide", "behaviour_or_form": "Thermoplastic", "aliases": "Nylon 6,6; PA6.6", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P039", "domain": "Polymer", "name": "Polyamide 12", "code": "PA12", "family": "Polyamides", "record_level": "Polymer type", "chemical_basis": "Long-chain aliphatic polyamide; C,H,N,O", "behaviour_or_form": "Thermoplastic", "aliases": "Nylon 12", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S06", "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P040", "domain": "Polymer", "name": "Polyamide 610", "code": "PA610", "family": "Polyamides", "record_level": "Polymer type", "chemical_basis": "Hexamethylenediamine/sebacate polyamide", "behaviour_or_form": "Thermoplastic", "aliases": "Nylon 6,10; PA6.10", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P041", "domain": "Polymer", "name": "Polyphthalamide", "code": "PPA", "family": "Polyamides", "record_level": "Polymer family", "chemical_basis": "Partly aromatic polyamide family", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S06", "S08" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P042", "domain": "Polymer", "name": "Aromatic polyamides", "code": "Aramid", "family": "Polyamides", "record_level": "Polymer family", "chemical_basis": "Aromatic amide chains", "behaviour_or_form": "Generally non-melt-processable fibre", "aliases": "Kevlar and Nomex are distinct brand families", "uk_evidence": "Reference only", "evidence_note": "Para- and meta-aramids differ; verify UK grade-level evidence.", "source_ids": [ "S02", "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P043", "domain": "Polymer", "name": "Polyphenylene ether", "code": "PPE", "family": "Engineering polymers", "record_level": "Polymer type", "chemical_basis": "Aromatic ether chains; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "PPO; modified PPE usually denotes a blend", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S07", "S09" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P044", "domain": "Polymer", "name": "Aliphatic polyketone", "code": "PK", "family": "Engineering polymers", "record_level": "Polymer type", "chemical_basis": "Carbonyl-containing aliphatic backbone", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S07", "S08" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P045", "domain": "Polymer", "name": "Polyetheretherketone", "code": "PEEK", "family": "Polyaryletherketones", "record_level": "Polymer type", "chemical_basis": "Aromatic ether/ketone chains; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S07", "S08", "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P046", "domain": "Polymer", "name": "Polyetherketoneketone", "code": "PEKK", "family": "Polyaryletherketones", "record_level": "Polymer type", "chemical_basis": "Aromatic ether/ketone chains; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S08" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P047", "domain": "Polymer", "name": "Polyetherketone", "code": "PEK", "family": "Polyaryletherketones", "record_level": "Polymer type", "chemical_basis": "Aromatic ether/ketone chains; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global supplier catalogue; specific UK grade remains to verify.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P048", "domain": "Polymer", "name": "Polyphenylene sulphide", "code": "PPS", "family": "Sulphur-containing polymers", "record_level": "Polymer type", "chemical_basis": "Aromatic sulphide chains; C,H,S", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S07", "S09" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P049", "domain": "Polymer", "name": "Polysulfone", "code": "PSU", "family": "Sulphones", "record_level": "Polymer type", "chemical_basis": "Aromatic sulfone polymer; C,H,O,S", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S07", "S08" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P050", "domain": "Polymer", "name": "Polyethersulfone", "code": "PESU", "family": "Sulphones", "record_level": "Polymer type", "chemical_basis": "Aromatic ether/sulfone chains; C,H,O,S", "behaviour_or_form": "Thermoplastic", "aliases": "PES in these supplier catalogues", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S07", "S08" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P051", "domain": "Polymer", "name": "Polyphenylsulfone", "code": "PPSU", "family": "Sulphones", "record_level": "Polymer type", "chemical_basis": "Aromatic sulfone polymer; C,H,O,S", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S07", "S08" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P052", "domain": "Polymer", "name": "Polyetherimide", "code": "PEI", "family": "Imide polymers", "record_level": "Polymer type", "chemical_basis": "Aromatic ether/imide chains; C,H,N,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S07", "S09" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P053", "domain": "Polymer", "name": "Polyamide-imide", "code": "PAI", "family": "Imide polymers", "record_level": "Polymer type", "chemical_basis": "Amide and imide groups; C,H,N,O", "behaviour_or_form": "High-temperature polymer; processing and cure depend on grade", "aliases": "Torlon (brand)", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S42" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P054", "domain": "Polymer", "name": "Polyimide", "code": "PI", "family": "Imide polymers", "record_level": "Polymer family", "chemical_basis": "Imide-linked polymer family; C,H,N,O", "behaviour_or_form": "Melt-processable or non-melting, grade-dependent", "aliases": "Kapton is one film brand family", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S08" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P055", "domain": "Polymer", "name": "Liquid-crystal polymers", "code": "LCP", "family": "Liquid-crystal polymers", "record_level": "Polymer family", "chemical_basis": "Often aromatic polyesters; composition varies", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S09" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P056", "domain": "Polymer", "name": "Polytetrafluoroethylene", "code": "PTFE", "family": "Fluoropolymers", "record_level": "Polymer type", "chemical_basis": "Tetrafluoroethylene-derived C-F chains", "behaviour_or_form": "Thermoplastic; extremely high melt viscosity, commonly sintered", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S10", "S11" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P057", "domain": "Polymer", "name": "Tetrafluoroethylene-hexafluoropropylene copolymer", "code": "FEP", "family": "Fluoropolymers", "record_level": "Polymer type", "chemical_basis": "Fluorinated ethylene-propylene copolymer", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S10", "S11" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P058", "domain": "Polymer", "name": "Perfluoroalkoxy polymers", "code": "PFA", "family": "Fluoropolymers", "record_level": "Polymer family", "chemical_basis": "TFE/perfluoroalkyl vinyl ether copolymers; C,F,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S10", "S11" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P059", "domain": "Polymer", "name": "Ethylene-tetrafluoroethylene copolymer", "code": "ETFE", "family": "Fluoropolymers", "record_level": "Polymer type", "chemical_basis": "Ethylene/TFE copolymer; C,H,F", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S11" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P060", "domain": "Polymer", "name": "Ethylene-chlorotrifluoroethylene copolymer", "code": "ECTFE", "family": "Fluoropolymers", "record_level": "Polymer type", "chemical_basis": "Ethylene/CTFE copolymer; C,H,Cl,F", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S10", "S11" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P061", "domain": "Polymer", "name": "Polyvinylidene fluoride", "code": "PVDF", "family": "Fluoropolymers", "record_level": "Polymer type", "chemical_basis": "Vinylidene-fluoride polymer; C,H,F", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S10", "S11" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P062", "domain": "Polymer", "name": "Cellulose acetate", "code": "CA", "family": "Cellulose derivatives", "record_level": "Polymer type", "chemical_basis": "Acetylated cellulose; substitution varies", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK directory", "evidence_note": "UK supplier directory names firms under cellulose acetate compounds.", "source_ids": [ "S13" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P063", "domain": "Polymer", "name": "Cellulose acetate butyrate", "code": "CAB", "family": "Cellulose derivatives", "record_level": "Polymer type", "chemical_basis": "Mixed acetate/butyrate cellulose ester", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "BPF identifies family; direct UK supply not verified.", "source_ids": [ "S02" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P064", "domain": "Polymer", "name": "Cellulose acetate propionate", "code": "CAP", "family": "Cellulose derivatives", "record_level": "Polymer type", "chemical_basis": "Mixed acetate/propionate cellulose ester", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "BPF identifies family; direct UK supply not verified.", "source_ids": [ "S02" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P065", "domain": "Polymer", "name": "Cellulose nitrate", "code": "CN", "family": "Cellulose derivatives", "record_level": "Polymer type", "chemical_basis": "Nitrated cellulose; substitution varies", "behaviour_or_form": "Specialist film/binder; formulation-specific handling", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Include historic/legacy forms separately; direct UK material offer not verified.", "source_ids": [ "S02" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P066", "domain": "Polymer", "name": "Polylactide", "code": "PLA", "family": "Aliphatic polyesters", "record_level": "Polymer type", "chemical_basis": "Lactic-acid/lactide polyester; C,H,O", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P067", "domain": "Polymer", "name": "Polyhydroxyalkanoates", "code": "PHA", "family": "Aliphatic polyesters", "record_level": "Polymer family", "chemical_basis": "Microbially produced hydroxyalkanoate polyester family", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "Supply-chain reference", "evidence_note": "UK additives supplier names this application; does not establish resin sales.", "source_ids": [ "S15" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P068", "domain": "Polymer", "name": "Poly(butylene succinate)", "code": "PBS", "family": "Aliphatic polyesters", "record_level": "Polymer type", "chemical_basis": "Butanediol/succinate polyester", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "Supply-chain reference", "evidence_note": "UK additives application; resin supply and grade composition still to verify.", "source_ids": [ "S15" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P069", "domain": "Polymer", "name": "Poly(butylene adipate-co-terephthalate)", "code": "PBAT", "family": "Copolyesters", "record_level": "Polymer type", "chemical_basis": "Aliphatic/aromatic copolyester", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "Supply-chain reference", "evidence_note": "Biodegradability and bio-based origin must be recorded separately.", "source_ids": [ "S15" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P070", "domain": "Polymer", "name": "Thermoplastic starch formulations", "code": "TPS", "family": "Starch-based materials", "record_level": "Formulation family", "chemical_basis": "Starch plus plasticisers; often blended with other polymers", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "Supply-chain reference", "evidence_note": "Variable formulation, not one chemically pure plastic.", "source_ids": [ "S15" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P071", "domain": "Polymer", "name": "Epoxy resin systems", "code": "EP", "family": "Thermosets", "record_level": "Resin family", "chemical_basis": "Epoxide-functional precursors plus curing agents", "behaviour_or_form": "Cross-linked after cure", "aliases": "", "uk_evidence": "Industry reference", "evidence_note": "UK trade-body material reference; precise UK formulation offer not separately verified.", "source_ids": [ "S03" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P072", "domain": "Polymer", "name": "Unsaturated polyester resin systems", "code": "UP", "family": "Thermosets", "record_level": "Resin family", "chemical_basis": "Unsaturated polyester cured with reactive comonomers", "behaviour_or_form": "Cross-linked after cure", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S03", "S16", "S17" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P073", "domain": "Polymer", "name": "Vinyl ester resin systems", "code": "VE", "family": "Thermosets", "record_level": "Resin family", "chemical_basis": "Often epoxy-derived, vinyl-functional resin networks", "behaviour_or_form": "Cross-linked after cure", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S03", "S16", "S17" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P074", "domain": "Polymer", "name": "Phenol-formaldehyde resins", "code": "PF", "family": "Thermosets", "record_level": "Resin family", "chemical_basis": "Phenol/formaldehyde network", "behaviour_or_form": "Cross-linked after cure", "aliases": "", "uk_evidence": "Industry reference", "evidence_note": "Family reference; individual UK manufacturing formulation not verified.", "source_ids": [ "S03" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P075", "domain": "Polymer", "name": "Urea-formaldehyde resins", "code": "UF", "family": "Thermosets", "record_level": "Resin family", "chemical_basis": "Urea/formaldehyde network; C,H,N,O", "behaviour_or_form": "Cross-linked after cure", "aliases": "", "uk_evidence": "Industry reference", "evidence_note": "Family reference; product-level UK evidence remains to add.", "source_ids": [ "S03" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P076", "domain": "Polymer", "name": "Melamine-formaldehyde resins", "code": "MF", "family": "Thermosets", "record_level": "Resin family", "chemical_basis": "Melamine/formaldehyde network; C,H,N,O", "behaviour_or_form": "Cross-linked after cure", "aliases": "", "uk_evidence": "Industry reference", "evidence_note": "Family reference; product-level UK evidence remains to add.", "source_ids": [ "S03" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P077", "domain": "Polymer", "name": "Melamine-urea-formaldehyde resins", "code": "MUF", "family": "Thermosets", "record_level": "Resin family", "chemical_basis": "Melamine/urea/formaldehyde resin system", "behaviour_or_form": "Cross-linked after cure", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S18" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P078", "domain": "Polymer", "name": "Cross-linked polyurethane systems", "code": "PUR", "family": "Thermosets", "record_level": "Resin family", "chemical_basis": "Polyol/isocyanate chemistry; C,H,N,O", "behaviour_or_form": "Thermoset foam, coating or elastomer", "aliases": "PU", "uk_evidence": "Industry reference", "evidence_note": "Keep separate from thermoplastic polyurethane TPU.", "source_ids": [ "S03" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P079", "domain": "Polymer", "name": "Polyisocyanurate systems", "code": "PIR", "family": "Thermosets", "record_level": "Resin family", "chemical_basis": "Isocyanurate-rich networks from isocyanate chemistry", "behaviour_or_form": "Cross-linked network", "aliases": "", "uk_evidence": "Coverage candidate", "evidence_note": "Building insulation family retained for follow-up; dedicated UK evidence still required.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P080", "domain": "Polymer", "name": "Furan resin systems", "code": "Furan", "family": "Thermosets", "record_level": "Resin family", "chemical_basis": "Furan-based resin networks", "behaviour_or_form": "Cross-linked after cure", "aliases": "", "uk_evidence": "Industry reference", "evidence_note": "UK industry reference; specific UK grade offer not checked.", "source_ids": [ "S03" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P081", "domain": "Polymer", "name": "Alkyd resin systems", "code": "Alkyd", "family": "Thermosets", "record_level": "Resin family", "chemical_basis": "Modified polyesters; formulation and curing vary", "behaviour_or_form": "Curing resin system", "aliases": "", "uk_evidence": "Industry reference", "evidence_note": "Do not infer composition from coating trade name.", "source_ids": [ "S03" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P082", "domain": "Polymer", "name": "Allylic resin systems", "code": "DAP / DAIP / ADC", "family": "Thermosets", "record_level": "Resin family", "chemical_basis": "Allyl-functional monomers forming cross-linked networks", "behaviour_or_form": "Cross-linked after cure", "aliases": "", "uk_evidence": "Industry reference", "evidence_note": "Three related resin chemistries grouped at family level.", "source_ids": [ "S03" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P083", "domain": "Polymer", "name": "Thermoplastic polyurethane", "code": "TPU", "family": "Thermoplastic elastomers", "record_level": "Polymer type", "chemical_basis": "Segmented urethane polymer", "behaviour_or_form": "Thermoplastic elastomer", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S09" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P084", "domain": "Polymer", "name": "Styrene-butadiene-styrene block copolymer", "code": "SBS", "family": "Thermoplastic elastomers", "record_level": "Polymer type", "chemical_basis": "Styrenic end blocks with butadiene midblock", "behaviour_or_form": "Thermoplastic elastomer", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P085", "domain": "Polymer", "name": "Styrene-ethylene/butylene-styrene block copolymer", "code": "SEBS", "family": "Thermoplastic elastomers", "record_level": "Polymer type", "chemical_basis": "Hydrogenated styrenic block copolymer", "behaviour_or_form": "Thermoplastic elastomer", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P086", "domain": "Polymer", "name": "Thermoplastic polyolefin elastomer formulations", "code": "TPO / TPE-O", "family": "Thermoplastic elastomers", "record_level": "Formulation family", "chemical_basis": "Polyolefin-based elastomer blends/formulations", "behaviour_or_form": "Thermoplastic elastomer", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P087", "domain": "Polymer", "name": "Thermoplastic vulcanizates", "code": "TPV", "family": "Thermoplastic elastomers", "record_level": "Formulation family", "chemical_basis": "Cross-linked rubber dispersed in thermoplastic matrix", "behaviour_or_form": "Melt-processable multiphase material", "aliases": "Santoprene (brand)", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P088", "domain": "Polymer", "name": "Thermoplastic copolyester elastomers", "code": "TPC / TPEE", "family": "Thermoplastic elastomers", "record_level": "Polymer family", "chemical_basis": "Segmented copolyester elastomers", "behaviour_or_form": "Thermoplastic elastomer", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S05", "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P089", "domain": "Polymer", "name": "Natural rubber", "code": "NR", "family": "Rubbers", "record_level": "Polymer type", "chemical_basis": "Predominantly cis-1,4-polyisoprene", "behaviour_or_form": "Usually supplied as cross-linked compound after manufacture", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S12" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P090", "domain": "Polymer", "name": "Styrene-butadiene rubber", "code": "SBR", "family": "Rubbers", "record_level": "Polymer type", "chemical_basis": "Styrene/butadiene copolymer", "behaviour_or_form": "Usually cross-linked in finished goods", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S12" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P091", "domain": "Polymer", "name": "Ethylene-propylene-diene rubber", "code": "EPDM", "family": "Rubbers", "record_level": "Polymer type", "chemical_basis": "Ethylene/propylene/non-conjugated diene terpolymer", "behaviour_or_form": "Usually cross-linked in finished goods", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S12" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P092", "domain": "Polymer", "name": "Chloroprene rubber", "code": "CR", "family": "Rubbers", "record_level": "Polymer type", "chemical_basis": "Polychloroprene; C,H,Cl", "behaviour_or_form": "Usually cross-linked in finished goods", "aliases": "Neoprene (brand/common usage)", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S12" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P093", "domain": "Polymer", "name": "Acrylonitrile-butadiene rubber", "code": "NBR", "family": "Rubbers", "record_level": "Polymer type", "chemical_basis": "Acrylonitrile/butadiene copolymer; C,H,N", "behaviour_or_form": "Usually cross-linked in finished goods", "aliases": "Nitrile rubber", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S12" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P094", "domain": "Polymer", "name": "Butyl rubber", "code": "IIR", "family": "Rubbers", "record_level": "Polymer type", "chemical_basis": "Isobutylene with small isoprene fraction", "behaviour_or_form": "Usually cross-linked in finished goods", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S12" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P095", "domain": "Polymer", "name": "Methyl-vinyl silicone rubber", "code": "VMQ", "family": "Rubbers", "record_level": "Polymer type", "chemical_basis": "Siloxane backbone with methyl/vinyl groups; Si,O,C,H", "behaviour_or_form": "Cross-linked silicone elastomer", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S12" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P096", "domain": "Polymer", "name": "Fluorosilicone rubber", "code": "FVMQ", "family": "Rubbers", "record_level": "Polymer type", "chemical_basis": "Fluorinated side groups on siloxane backbone", "behaviour_or_form": "Cross-linked elastomer", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S12" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P097", "domain": "Polymer", "name": "Fluorocarbon elastomers", "code": "FKM", "family": "Rubbers", "record_level": "Polymer family", "chemical_basis": "Fluorinated copolymers; exact composition varies", "behaviour_or_form": "Usually cross-linked elastomer", "aliases": "FPM; Viton is a brand family", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S12" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P098", "domain": "Polymer", "name": "Polycarbonate / ABS blend", "code": "PC/ABS", "family": "Polymer blends", "record_level": "Blend family", "chemical_basis": "PC plus ABS", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Constituent ratio and additives are grade-specific; do not merge with either neat polymer.", "source_ids": [ "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P099", "domain": "Polymer", "name": "Polycarbonate / PBT blend", "code": "PC/PBT", "family": "Polymer blends", "record_level": "Blend family", "chemical_basis": "PC plus PBT", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Constituent ratio and additives are grade-specific; do not merge with either neat polymer.", "source_ids": [ "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P100", "domain": "Polymer", "name": "Polycarbonate / PET blend", "code": "PC/PET", "family": "Polymer blends", "record_level": "Blend family", "chemical_basis": "PC plus PET", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Constituent ratio and additives are grade-specific; do not merge with either neat polymer.", "source_ids": [ "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P101", "domain": "Polymer", "name": "Polyamide / ABS blend", "code": "PA/ABS", "family": "Polymer blends", "record_level": "Blend family", "chemical_basis": "PA plus ABS", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Constituent ratio and additives are grade-specific; do not merge with either neat polymer.", "source_ids": [ "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P102", "domain": "Polymer", "name": "PBT / ASA blend", "code": "PBT/ASA", "family": "Polymer blends", "record_level": "Blend family", "chemical_basis": "PBT plus ASA", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Constituent ratio and additives are grade-specific; do not merge with either neat polymer.", "source_ids": [ "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P103", "domain": "Polymer", "name": "Polycarbonate / ASA blend", "code": "PC/ASA", "family": "Polymer blends", "record_level": "Blend family", "chemical_basis": "PC plus ASA", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Constituent ratio and additives are grade-specific; do not merge with either neat polymer.", "source_ids": [ "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P104", "domain": "Polymer", "name": "Glass-fibre reinforced polymers", "code": "GFRP / GRP", "family": "Polymer composites", "record_level": "Composite family", "chemical_basis": "Glass fibres plus specified polymer matrix", "behaviour_or_form": "Depends on matrix and fibre architecture", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Often called fibreglass; resin identity must be retained.", "source_ids": [ "S03", "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P105", "domain": "Polymer", "name": "Carbon-fibre reinforced polymers", "code": "CFRP", "family": "Polymer composites", "record_level": "Composite family", "chemical_basis": "Carbon fibres plus specified polymer matrix", "behaviour_or_form": "Depends on matrix and fibre architecture", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Carbon fibre is a constituent, not a polymer name.", "source_ids": [ "S06" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P106", "domain": "Polymer", "name": "Mineral-filled / conductive / flame-retarded compounds", "code": "Filled polymers", "family": "Polymer compounds", "record_level": "Formulation family", "chemical_basis": "Base polymer plus identified fillers and additives", "behaviour_or_form": "Depends on base polymer and additives", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Broad coverage row; split by exact composition before processing.", "source_ids": [ "S06", "S40" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M001", "domain": "Metal", "name": "Iron / commercially pure iron", "code": "Fe", "family": "Ferrous metals", "record_level": "Element", "chemical_basis": "Fe", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Distinguish pure iron from steel; dedicated UK grade source not verified.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M002", "domain": "Metal", "name": "Carbon and low-alloy engineering steels", "code": "Carbon steel", "family": "Ferrous metals", "record_level": "Alloy family", "chemical_basis": "Fe with C, Mn and grade-dependent additions", "behaviour_or_form": "Metal / alloy", "aliases": "Mild steel applies only to a subset", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M003", "domain": "Metal", "name": "Free-machining steel EN1A", "code": "EN1A", "family": "Ferrous metals", "record_level": "Grade", "chemical_basis": "Fe-C-Mn-S; leaded variants must be distinguished", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M004", "domain": "Metal", "name": "Medium-carbon steel EN8", "code": "EN8", "family": "Ferrous metals", "record_level": "Grade", "chemical_basis": "Fe-C-Mn steel", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M005", "domain": "Metal", "name": "Alloy engineering steels EN19 and EN24", "code": "EN19 / EN24", "family": "Ferrous metals", "record_level": "Grade group", "chemical_basis": "Cr-Mo and Ni-Cr-Mo alloy-steel families", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Two different grades; not aliases or automatically interchangeable.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M006", "domain": "Metal", "name": "Tool and die steels", "code": "Tool steel", "family": "Ferrous metals", "record_level": "Alloy family", "chemical_basis": "Fe-C with Cr, Mo, V, W or other additions by grade", "behaviour_or_form": "Metal / alloy", "aliases": "D2, O1/BO1 and P20 are different grades", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M007", "domain": "Metal", "name": "Maraging steels", "code": "Maraging", "family": "Ferrous metals", "record_level": "Alloy family", "chemical_basis": "Low-carbon Fe-Ni alloys with hardening additions", "behaviour_or_form": "Metal / alloy", "aliases": "C200, C250, C300, C350: distinct grades", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M008", "domain": "Metal", "name": "Austenitic stainless steels", "code": "Austenitic stainless", "family": "Stainless steels", "record_level": "Alloy family", "chemical_basis": "Fe-Cr-Ni; Mo and other additions by grade", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19", "S21" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M009", "domain": "Metal", "name": "Stainless steel 304", "code": "304 / 1.4301", "family": "Stainless steels", "record_level": "Grade", "chemical_basis": "Fe-Cr-Ni austenitic alloy", "behaviour_or_form": "Metal / alloy", "aliases": "UNS S30400; 18/8 is approximate", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S22" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M010", "domain": "Metal", "name": "Low-carbon stainless steel 304L", "code": "304L / 1.4307", "family": "Stainless steels", "record_level": "Grade", "chemical_basis": "Lower-carbon Fe-Cr-Ni grade", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Separate grade from 304; some products are dual certified.", "source_ids": [ "S22" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M011", "domain": "Metal", "name": "Stainless steel 316", "code": "316", "family": "Stainless steels", "record_level": "Grade", "chemical_basis": "Fe-Cr-Ni-Mo austenitic alloy", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Keep 316L and other variants separate when expanding grades.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M012", "domain": "Metal", "name": "Ferritic stainless steels", "code": "Ferritic stainless", "family": "Stainless steels", "record_level": "Alloy family", "chemical_basis": "Fe-Cr alloy family", "behaviour_or_form": "Metal / alloy", "aliases": "430 is a listed example", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19", "S21" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M013", "domain": "Metal", "name": "Martensitic stainless steels", "code": "Martensitic stainless", "family": "Stainless steels", "record_level": "Alloy family", "chemical_basis": "Fe-Cr-C alloy family", "behaviour_or_form": "Metal / alloy", "aliases": "410, 416 and 440C are different grades", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19", "S21" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M014", "domain": "Metal", "name": "Duplex and superduplex stainless steels", "code": "Duplex stainless", "family": "Stainless steels", "record_level": "Alloy family", "chemical_basis": "Fe-Cr-Ni-Mo-N, grade-dependent", "behaviour_or_form": "Metal / alloy", "aliases": "S31803, S32750, S32760 are distinct grades", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19", "S21" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M015", "domain": "Metal", "name": "Precipitation-hardening stainless steels", "code": "PH stainless", "family": "Stainless steels", "record_level": "Alloy family", "chemical_basis": "Fe-Cr-Ni plus strengthening additions", "behaviour_or_form": "Metal / alloy", "aliases": "17-4PH, 15-5PH and 13-8PH are distinct grades", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M016", "domain": "Metal", "name": "Grey cast irons", "code": "EN-GJL", "family": "Cast irons", "record_level": "Alloy family", "chemical_basis": "Fe-C-Si with flake graphite", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S23", "S24" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M017", "domain": "Metal", "name": "Ductile cast irons", "code": "EN-GJS", "family": "Cast irons", "record_level": "Alloy family", "chemical_basis": "Fe-C-Si with spheroidal graphite", "behaviour_or_form": "Metal / alloy", "aliases": "SG iron; nodular iron", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S23", "S24" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M018", "domain": "Metal", "name": "Austempered ductile iron", "code": "ADI", "family": "Cast irons", "record_level": "Processed alloy family", "chemical_basis": "Ductile iron with specified heat treatment", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S23" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M019", "domain": "Metal", "name": "Nickel-alloyed cast irons", "code": "Ni-Resist", "family": "Cast irons", "record_level": "Alloy family", "chemical_basis": "Fe-C-Si-Ni, other additions by grade", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S24" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M020", "domain": "Metal", "name": "Commercially pure aluminium", "code": "Al 1xxx", "family": "Aluminium", "record_level": "Alloy family", "chemical_basis": "Al with controlled impurities", "behaviour_or_form": "Metal / alloy", "aliases": "1050A and 1200 are distinct grades", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M021", "domain": "Metal", "name": "Aluminium-copper alloys", "code": "Al 2xxx", "family": "Aluminium", "record_level": "Alloy family", "chemical_basis": "Al-Cu with further additions", "behaviour_or_form": "Metal / alloy", "aliases": "2011, 2014A, 2024", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19", "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M022", "domain": "Metal", "name": "Aluminium-manganese alloys", "code": "Al 3xxx", "family": "Aluminium", "record_level": "Alloy family", "chemical_basis": "Al-Mn", "behaviour_or_form": "Metal / alloy", "aliases": "3003, 3103", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19", "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M023", "domain": "Metal", "name": "Aluminium-silicon wrought alloys", "code": "Al 4xxx", "family": "Aluminium", "record_level": "Alloy family", "chemical_basis": "Al-Si", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global material classification; UK grade supply not separately verified.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M024", "domain": "Metal", "name": "Aluminium-magnesium alloys", "code": "Al 5xxx", "family": "Aluminium", "record_level": "Alloy family", "chemical_basis": "Al-Mg", "behaviour_or_form": "Metal / alloy", "aliases": "5052, 5083, 5251, 5754", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19", "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M025", "domain": "Metal", "name": "Aluminium-magnesium-silicon alloys", "code": "Al 6xxx", "family": "Aluminium", "record_level": "Alloy family", "chemical_basis": "Al-Mg-Si", "behaviour_or_form": "Metal / alloy", "aliases": "6061, 6063, 6082", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19", "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M026", "domain": "Metal", "name": "Aluminium-zinc alloys", "code": "Al 7xxx", "family": "Aluminium", "record_level": "Alloy family", "chemical_basis": "Al-Zn, often Mg and Cu", "behaviour_or_form": "Metal / alloy", "aliases": "7050, 7075", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19", "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M027", "domain": "Metal", "name": "Aluminium-lithium alloys", "code": "Al-Li", "family": "Aluminium", "record_level": "Alloy family", "chemical_basis": "Al-Li with other additions", "behaviour_or_form": "Metal / alloy", "aliases": "2099 and 8090 are different grades", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M028", "domain": "Metal", "name": "Aluminium casting alloys", "code": "Al casting alloys", "family": "Aluminium", "record_level": "Alloy family", "chemical_basis": "Often Al-Si with Cu/Mg; composition varies", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "UK manufacturer lists LM0/2/4/6/9/25, A356/A357/B356 and customer-specific casting alloys. Offers scrap remelting; quantities not established.", "source_ids": [ "S49" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M029", "domain": "Metal", "name": "Commercially pure copper", "code": "Cu", "family": "Copper alloys", "record_level": "Element-grade family", "chemical_basis": "Cu with controlled oxygen/phosphorus by grade", "behaviour_or_form": "Metal / alloy", "aliases": "CW004A/C101 and CW024A/C106 are different grades", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19", "S20" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M030", "domain": "Metal", "name": "Copper-zinc alloys", "code": "Brass", "family": "Copper alloys", "record_level": "Alloy family", "chemical_basis": "Cu-Zn, possible Pb or other additions", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19", "S20" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M031", "domain": "Metal", "name": "Free-machining brass", "code": "CW614N / CZ121", "family": "Copper alloys", "record_level": "Grade", "chemical_basis": "Cu-Zn-Pb", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S20" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M032", "domain": "Metal", "name": "Copper-tin-phosphorus alloys", "code": "Phosphor bronze", "family": "Copper alloys", "record_level": "Alloy family", "chemical_basis": "Cu-Sn-P", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Leaded grades, where present, must remain separate.", "source_ids": [ "S19", "S20" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M033", "domain": "Metal", "name": "Copper-aluminium alloys", "code": "Aluminium bronze", "family": "Copper alloys", "record_level": "Alloy family", "chemical_basis": "Cu-Al, often Fe/Ni additions", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19", "S20" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M034", "domain": "Metal", "name": "Leaded copper casting alloys", "code": "Leaded bronze", "family": "Copper alloys", "record_level": "Alloy family", "chemical_basis": "Cu-Sn-Pb, sometimes Zn", "behaviour_or_form": "Metal / alloy", "aliases": "Gunmetal can describe related compositions; verify grade", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M035", "domain": "Metal", "name": "Cupronickels", "code": "Cu-Ni", "family": "Copper alloys", "record_level": "Alloy family", "chemical_basis": "Cu-Ni with minor additions", "behaviour_or_form": "Metal / alloy", "aliases": "Copper-nickel", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M036", "domain": "Metal", "name": "Copper-beryllium alloys", "code": "Cu-Be", "family": "Copper alloys", "record_level": "Alloy family", "chemical_basis": "Cu-Be, sometimes Co/Ni", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M037", "domain": "Metal", "name": "Copper-nickel-zinc alloys", "code": "Nickel silver", "family": "Copper alloys", "record_level": "Alloy family", "chemical_basis": "Cu-Ni-Zn", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Contains no silver as a defining constituent.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M038", "domain": "Metal", "name": "Commercially pure nickel", "code": "Ni 200", "family": "Nickel alloys", "record_level": "Grade", "chemical_basis": "Ni with controlled impurities", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M039", "domain": "Metal", "name": "Nickel-copper alloys", "code": "Ni-Cu", "family": "Nickel alloys", "record_level": "Alloy family", "chemical_basis": "Ni-Cu with grade-specific additions", "behaviour_or_form": "Metal / alloy", "aliases": "Monel 400 and K500 are distinct grades", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M040", "domain": "Metal", "name": "Nickel-chromium high-temperature alloys", "code": "Ni-Cr", "family": "Nickel alloys", "record_level": "Alloy family", "chemical_basis": "Ni-Cr with Fe/Mo/Co and other additions", "behaviour_or_form": "Metal / alloy", "aliases": "Alloys 600, 601, 617, 625 and 718 are distinct", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M041", "domain": "Metal", "name": "Iron-nickel-chromium heat-resistant alloys", "code": "Fe-Ni-Cr", "family": "Special steels and alloys", "record_level": "Alloy family", "chemical_basis": "Fe-Ni-Cr with other additions", "behaviour_or_form": "Metal / alloy", "aliases": "Alloys 800 and 825; not identical compositions", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M042", "domain": "Metal", "name": "Cobalt-based alloys", "code": "Co alloys", "family": "Cobalt alloys", "record_level": "Alloy family", "chemical_basis": "Co-Cr and other grade-dependent additions", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK recycling offer", "evidence_note": "UK recycler names cobalt-based superalloy scrap.", "source_ids": [ "S29" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M043", "domain": "Metal", "name": "Magnesium alloys", "code": "Mg alloys", "family": "Light metals", "record_level": "Alloy family", "chemical_basis": "Mg with Al/Zn or rare-earth additions by grade", "behaviour_or_form": "Metal / alloy", "aliases": "WE43 and WE54 are different grades", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M044", "domain": "Metal", "name": "Commercially pure titanium", "code": "Ti CP", "family": "Titanium", "record_level": "Element-grade family", "chemical_basis": "Ti with controlled interstitials and impurities", "behaviour_or_form": "Metal / alloy", "aliases": "CP grades 1-4 are distinct", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M045", "domain": "Metal", "name": "Titanium grade 5", "code": "Ti-6Al-4V", "family": "Titanium", "record_level": "Grade", "chemical_basis": "Ti with nominal 6% Al and 4% V", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M046", "domain": "Metal", "name": "Other titanium alloys", "code": "Ti alloys", "family": "Titanium", "record_level": "Alloy family", "chemical_basis": "Ti-Al-V or Ti-Al-Sn-Zr-Mo systems by grade", "behaviour_or_form": "Metal / alloy", "aliases": "Grade 9, 6242, 6246", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S19" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M047", "domain": "Metal", "name": "Zinc casting alloys", "code": "Zn alloys", "family": "Zinc", "record_level": "Alloy family", "chemical_basis": "Zn with Al, Mg and sometimes Cu", "behaviour_or_form": "Metal / alloy", "aliases": "Zamak is a family, not pure zinc", "uk_evidence": "UK indexed offer", "evidence_note": "Indexed UK manufacturing offer; live full page could not be retrieved.", "source_ids": [ "S25" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M048", "domain": "Metal", "name": "Tin-lead soft solders", "code": "Sn-Pb", "family": "Low-melting alloys", "record_level": "Alloy family", "chemical_basis": "Sn-Pb; ratios and flux differ", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S26" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M049", "domain": "Metal", "name": "Silver-containing brazing fillers", "code": "Ag brazing alloys", "family": "Joining alloys", "record_level": "Alloy family", "chemical_basis": "Ag-Cu-Zn and other additions by grade", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Silver solder can mean a brazing filler, not pure silver.", "source_ids": [ "S26" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M050", "domain": "Metal", "name": "Copper-phosphorus brazing alloys", "code": "Cu-P", "family": "Joining alloys", "record_level": "Alloy family", "chemical_basis": "Cu-P, sometimes Ag", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S26" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M051", "domain": "Metal", "name": "Lead-free tin solder families", "code": "Sn lead-free", "family": "Low-melting alloys", "record_level": "Alloy family", "chemical_basis": "Sn-Cu, Sn-Ag-Cu or other grade-specific systems", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "Coverage candidate", "evidence_note": "Candidate family; direct UK composition-specific evidence to add.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M052", "domain": "Metal", "name": "Tin-rich casting alloys", "code": "Pewter", "family": "Low-melting alloys", "record_level": "Alloy family", "chemical_basis": "Sn with Sb/Cu and possible other additions", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "Coverage candidate", "evidence_note": "Historic lead-bearing and modern lead-free formulations must be separated.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M053", "domain": "Metal", "name": "Gold and gold jewellery alloys", "code": "Au", "family": "Precious metals", "record_level": "Element / alloy family", "chemical_basis": "Au with Ag/Cu/Pd and other additions by grade", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S27" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M054", "domain": "Metal", "name": "Silver and silver jewellery alloys", "code": "Ag", "family": "Precious metals", "record_level": "Element / alloy family", "chemical_basis": "Ag, often alloyed with Cu", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S27" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M055", "domain": "Metal", "name": "Platinum and platinum alloys", "code": "Pt", "family": "Precious metals", "record_level": "Element / alloy family", "chemical_basis": "Pt with Ru/Ir/Co or other additions by grade", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S28", "S44" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M056", "domain": "Metal", "name": "Palladium", "code": "Pd", "family": "Platinum-group metals", "record_level": "Element", "chemical_basis": "Pd", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S28" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M057", "domain": "Metal", "name": "Rhodium", "code": "Rh", "family": "Platinum-group metals", "record_level": "Element", "chemical_basis": "Rh", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S28" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M058", "domain": "Metal", "name": "Iridium", "code": "Ir", "family": "Platinum-group metals", "record_level": "Element", "chemical_basis": "Ir", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S28" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M059", "domain": "Metal", "name": "Ruthenium", "code": "Ru", "family": "Platinum-group metals", "record_level": "Element", "chemical_basis": "Ru", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S28" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M060", "domain": "Metal", "name": "Tungsten and tungsten alloys", "code": "W", "family": "Refractory metals", "record_level": "Element / alloy family", "chemical_basis": "W; W-Ni-Fe and W-Cu compositions need separate records", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S30" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M061", "domain": "Metal", "name": "Molybdenum and molybdenum alloys", "code": "Mo", "family": "Refractory metals", "record_level": "Element / alloy family", "chemical_basis": "Mo; TZM and Mo-La are distinct materials", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S30" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M062", "domain": "Metal", "name": "Tantalum", "code": "Ta", "family": "Refractory metals", "record_level": "Element", "chemical_basis": "Ta", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S30" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M063", "domain": "Metal", "name": "Niobium", "code": "Nb", "family": "Refractory metals", "record_level": "Element", "chemical_basis": "Nb", "behaviour_or_form": "Metal / alloy", "aliases": "Columbium (older name)", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S30" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M064", "domain": "Metal", "name": "Zirconium", "code": "Zr", "family": "Specialist metals", "record_level": "Element-grade family", "chemical_basis": "Zr; nuclear and commercial grades differ", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S29", "S30" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M065", "domain": "Metal", "name": "Hafnium", "code": "Hf", "family": "Specialist metals", "record_level": "Element", "chemical_basis": "Hf", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK recycling offer", "evidence_note": "Named in UK specialist scrap-processing offer.", "source_ids": [ "S29" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M066", "domain": "Metal", "name": "Rhenium", "code": "Re", "family": "Specialist metals", "record_level": "Element", "chemical_basis": "Re", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK recycling offer", "evidence_note": "Named in UK specialist scrap-processing offer.", "source_ids": [ "S29" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M067", "domain": "Metal", "name": "Chromium", "code": "Cr", "family": "Alloying elements", "record_level": "Element", "chemical_basis": "Cr", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK recycling offer", "evidence_note": "Element-level recovery listing; not an alloy quantity.", "source_ids": [ "S29" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M068", "domain": "Metal", "name": "Neodymium-iron-boron magnets", "code": "NdFeB", "family": "Magnetic materials", "record_level": "Intermetallic alloy family", "chemical_basis": "Nd-Fe-B, often Pr/Dy/Tb substitutions and coatings", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S31" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M069", "domain": "Metal", "name": "Samarium-cobalt magnets", "code": "SmCo", "family": "Magnetic materials", "record_level": "Intermetallic alloy family", "chemical_basis": "Sm-Co, grade-dependent additional elements", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S31" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M070", "domain": "Metal", "name": "Aluminium-nickel-cobalt magnets", "code": "Alnico", "family": "Magnetic materials", "record_level": "Alloy family", "chemical_basis": "Fe-Al-Ni-Co with further additions", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S31" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M071", "domain": "Metal", "name": "Ferrite magnetic ceramics", "code": "Ferrite", "family": "Associated materials", "record_level": "Ceramic family", "chemical_basis": "Iron oxides with Sr/Ba or other elements", "behaviour_or_form": "Non-metal ceramic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Included to prevent classification as a metallic alloy.", "source_ids": [ "S31" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M072", "domain": "Metal", "name": "Polymer-bonded magnetic materials", "code": "Bonded magnets", "family": "Associated materials", "record_level": "Composite family", "chemical_basis": "Magnetic powder plus polymer binder", "behaviour_or_form": "Polymer/inorganic composite", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S31" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M073", "domain": "Metal", "name": "Lithium", "code": "Li", "family": "Technology-metal elements", "record_level": "Element", "chemical_basis": "Li", "behaviour_or_form": "Element tracked across compounds/alloys", "aliases": "", "uk_evidence": "UK study", "evidence_note": "UK technology-material demand study; not evidence that all use is pure metal.", "source_ids": [ "S39" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M074", "domain": "Metal", "name": "Manganese", "code": "Mn", "family": "Technology-metal elements", "record_level": "Element", "chemical_basis": "Mn", "behaviour_or_form": "Element tracked across compounds/alloys", "aliases": "", "uk_evidence": "UK study", "evidence_note": "UK technology-material demand study; not evidence that all use is pure metal.", "source_ids": [ "S39" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M075", "domain": "Metal", "name": "Neodymium", "code": "Nd", "family": "Technology-metal elements", "record_level": "Element", "chemical_basis": "Nd", "behaviour_or_form": "Element tracked across compounds/alloys", "aliases": "", "uk_evidence": "UK study", "evidence_note": "UK technology-material demand study; not evidence that all use is pure metal.", "source_ids": [ "S39" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M076", "domain": "Metal", "name": "Praseodymium", "code": "Pr", "family": "Technology-metal elements", "record_level": "Element", "chemical_basis": "Pr", "behaviour_or_form": "Element tracked across compounds/alloys", "aliases": "", "uk_evidence": "UK study", "evidence_note": "UK technology-material demand study; not evidence that all use is pure metal.", "source_ids": [ "S39" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M077", "domain": "Metal", "name": "Dysprosium", "code": "Dy", "family": "Technology-metal elements", "record_level": "Element", "chemical_basis": "Dy", "behaviour_or_form": "Element tracked across compounds/alloys", "aliases": "", "uk_evidence": "UK study", "evidence_note": "UK technology-material demand study; not evidence that all use is pure metal.", "source_ids": [ "S39" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M078", "domain": "Metal", "name": "Terbium", "code": "Tb", "family": "Technology-metal elements", "record_level": "Element", "chemical_basis": "Tb", "behaviour_or_form": "Element tracked across compounds/alloys", "aliases": "", "uk_evidence": "UK study", "evidence_note": "UK technology-material demand study; not evidence that all use is pure metal.", "source_ids": [ "S39" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M079", "domain": "Metal", "name": "Gallium", "code": "Ga", "family": "Specialist elements", "record_level": "Element", "chemical_basis": "Ga", "behaviour_or_form": "Element tracked across chemical forms", "aliases": "", "uk_evidence": "UK study", "evidence_note": "UK criticality assessment context; grade and UK tonnage not established.", "source_ids": [ "S41" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M080", "domain": "Metal", "name": "Germanium", "code": "Ge", "family": "Specialist elements", "record_level": "Element", "chemical_basis": "Ge", "behaviour_or_form": "Element tracked across chemical forms", "aliases": "", "uk_evidence": "UK study", "evidence_note": "UK criticality assessment context; grade and UK tonnage not established.", "source_ids": [ "S41" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M081", "domain": "Metal", "name": "Bismuth", "code": "Bi", "family": "Specialist elements", "record_level": "Element", "chemical_basis": "Bi", "behaviour_or_form": "Element tracked across chemical forms", "aliases": "", "uk_evidence": "UK study", "evidence_note": "UK criticality assessment context; grade and UK tonnage not established.", "source_ids": [ "S41" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M082", "domain": "Metal", "name": "Beryllium", "code": "Be", "family": "Additional element coverage", "record_level": "Element", "chemical_basis": "Be", "behaviour_or_form": "Element / metalloid / non-metal as applicable", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global catalogue only. UK use/supply evidence must be added; Sb/Si/Te/Ge are metalloids and Se is a non-metal.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M083", "domain": "Metal", "name": "Cadmium", "code": "Cd", "family": "Additional element coverage", "record_level": "Element", "chemical_basis": "Cd", "behaviour_or_form": "Element / metalloid / non-metal as applicable", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global catalogue only. UK use/supply evidence must be added; Sb/Si/Te/Ge are metalloids and Se is a non-metal.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M084", "domain": "Metal", "name": "Indium", "code": "In", "family": "Additional element coverage", "record_level": "Element", "chemical_basis": "In", "behaviour_or_form": "Element / metalloid / non-metal as applicable", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global catalogue only. UK use/supply evidence must be added; Sb/Si/Te/Ge are metalloids and Se is a non-metal.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M085", "domain": "Metal", "name": "Lead", "code": "Pb", "family": "Additional element coverage", "record_level": "Element", "chemical_basis": "Pb", "behaviour_or_form": "Element / metalloid / non-metal as applicable", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global catalogue only. UK use/supply evidence must be added; Sb/Si/Te/Ge are metalloids and Se is a non-metal.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M086", "domain": "Metal", "name": "Tin", "code": "Sn", "family": "Additional element coverage", "record_level": "Element", "chemical_basis": "Sn", "behaviour_or_form": "Element / metalloid / non-metal as applicable", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global catalogue only. UK use/supply evidence must be added; Sb/Si/Te/Ge are metalloids and Se is a non-metal.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M087", "domain": "Metal", "name": "Vanadium", "code": "V", "family": "Additional element coverage", "record_level": "Element", "chemical_basis": "V", "behaviour_or_form": "Element / metalloid / non-metal as applicable", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global catalogue only. UK use/supply evidence must be added; Sb/Si/Te/Ge are metalloids and Se is a non-metal.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M088", "domain": "Metal", "name": "Antimony", "code": "Sb", "family": "Additional element coverage", "record_level": "Element", "chemical_basis": "Sb", "behaviour_or_form": "Element / metalloid / non-metal as applicable", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global catalogue only. UK use/supply evidence must be added; Sb/Si/Te/Ge are metalloids and Se is a non-metal.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M089", "domain": "Metal", "name": "Selenium", "code": "Se", "family": "Additional element coverage", "record_level": "Element", "chemical_basis": "Se", "behaviour_or_form": "Element / metalloid / non-metal as applicable", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global catalogue only. UK use/supply evidence must be added; Sb/Si/Te/Ge are metalloids and Se is a non-metal.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M090", "domain": "Metal", "name": "Silicon", "code": "Si", "family": "Additional element coverage", "record_level": "Element", "chemical_basis": "Si", "behaviour_or_form": "Element / metalloid / non-metal as applicable", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global catalogue only. UK use/supply evidence must be added; Sb/Si/Te/Ge are metalloids and Se is a non-metal.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M091", "domain": "Metal", "name": "Tellurium", "code": "Te", "family": "Additional element coverage", "record_level": "Element", "chemical_basis": "Te", "behaviour_or_form": "Element / metalloid / non-metal as applicable", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global catalogue only. UK use/supply evidence must be added; Sb/Si/Te/Ge are metalloids and Se is a non-metal.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M092", "domain": "Metal", "name": "Osmium", "code": "Os", "family": "Additional element coverage", "record_level": "Element", "chemical_basis": "Os", "behaviour_or_form": "Element / metalloid / non-metal as applicable", "aliases": "", "uk_evidence": "Reference only", "evidence_note": "Global catalogue only. UK use/supply evidence must be added; Sb/Si/Te/Ge are metalloids and Se is a non-metal.", "source_ids": [ "S32" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P107", "domain": "Polymer", "name": "Polychlorotrifluoroethylene", "code": "PCTFE", "family": "Fluoropolymers", "record_level": "Polymer type", "chemical_basis": "Chlorotrifluoroethylene polymer; C,F,Cl", "behaviour_or_form": "Thermoplastic", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S45" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P108", "domain": "Polymer", "name": "Polyacrylate rubber", "code": "ACM", "family": "Elastomers", "record_level": "Polymer type", "chemical_basis": "Acrylic ester polymer with cure sites; C,H,O", "behaviour_or_form": "Usually cured elastomer", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S46" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P109", "domain": "Polymer", "name": "Ethylene-acrylate rubber", "code": "AEM", "family": "Elastomers", "record_level": "Polymer type", "chemical_basis": "Ethylene/acrylate copolymer with cure sites; C,H,O", "behaviour_or_form": "Usually cured elastomer", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S46" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P110", "domain": "Polymer", "name": "Hydrogenated nitrile rubber", "code": "HNBR", "family": "Elastomers", "record_level": "Polymer type", "chemical_basis": "Hydrogenated acrylonitrile-butadiene copolymer; C,H,N", "behaviour_or_form": "Usually cured elastomer", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S47" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "P111", "domain": "Polymer", "name": "Perfluoroelastomer", "code": "FFKM", "family": "Elastomers", "record_level": "Polymer family", "chemical_basis": "Perfluorinated elastomer backbone; cure-site chemistry varies", "behaviour_or_form": "Cured elastomer", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "Named in the cited UK supplier or manufacturer catalogue; sales volume and batch availability not established.", "source_ids": [ "S48" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M093", "domain": "Metal", "name": "Ferrotitanium", "code": "Fe-Ti", "family": "Ferroalloy feedstocks", "record_level": "Alloy family", "chemical_basis": "Fe-Ti", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "UK supplier offer; alloying feedstock must not be double-counted with downstream steel or alloy output.", "source_ids": [ "S50" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M094", "domain": "Metal", "name": "Ferrozirconium", "code": "Fe-Zr", "family": "Ferroalloy feedstocks", "record_level": "Alloy family", "chemical_basis": "Fe-Zr", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "UK supplier offer; alloying feedstock must not be double-counted with downstream steel or alloy output.", "source_ids": [ "S50" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M095", "domain": "Metal", "name": "Ferrovanadium", "code": "Fe-V", "family": "Ferroalloy feedstocks", "record_level": "Alloy family", "chemical_basis": "Fe-V", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "UK supplier offer; alloying feedstock must not be double-counted with downstream steel or alloy output.", "source_ids": [ "S50" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M096", "domain": "Metal", "name": "Ferroniobium", "code": "Fe-Nb", "family": "Ferroalloy feedstocks", "record_level": "Alloy family", "chemical_basis": "Fe-Nb", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "UK supplier offer; alloying feedstock must not be double-counted with downstream steel or alloy output.", "source_ids": [ "S50" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" }, { "id": "M097", "domain": "Metal", "name": "Ferroaluminium", "code": "Fe-Al", "family": "Ferroalloy feedstocks", "record_level": "Alloy family", "chemical_basis": "Fe-Al", "behaviour_or_form": "Metal / alloy", "aliases": "", "uk_evidence": "UK offer", "evidence_note": "UK supplier offer; alloying feedstock must not be double-counted with downstream steel or alloy output.", "source_ids": [ "S50" ], "accessed": "2026-10-09", "uk_quantity_tonnes": null, "quantity_status": "Not quantified at this stage" } ], "names": [ { "term": "Polythene", "target_id": "P001", "target_name": "Polyethylene", "relationship": "same_material_name", "note": "British common name for polyethylene.", "source_ids": [ "S02" ] }, { "term": "Nylon", "target_id": "P037", "target_name": "Polyamide 6", "relationship": "broader_than", "note": "Nylon covers several polyamides; do not map every nylon item to PA6.", "source_ids": [ "S02", "S06" ] }, { "term": "Acetal", "target_id": "P036", "target_name": "Polyoxymethylene", "relationship": "common_name", "note": "Homopolymer and copolymer grades still differ.", "source_ids": [ "S05" ] }, { "term": "PLEXIGLAS", "target_id": "P028", "target_name": "Poly(methyl methacrylate)", "relationship": "brand_for", "note": "Brand relationship, not a complete formulation identity.", "source_ids": [ "S05" ] }, { "term": "PPO", "target_id": "P043", "target_name": "Polyphenylene ether", "relationship": "alternative_abbreviation", "note": "Commercial modified PPE often contains other polymers.", "source_ids": [ "S02", "S09" ] }, { "term": "PES", "target_id": "P050", "target_name": "Polyethersulfone", "relationship": "context_dependent_abbreviation", "note": "Means polyethersulfone in these engineering catalogues; can mean polyester elsewhere.", "source_ids": [ "S05", "S07" ] }, { "term": "PVA", "target_id": "P024", "target_name": "Polyvinyl alcohol", "relationship": "ambiguous_name", "note": "May mean polyvinyl alcohol; PVA glue often denotes polyvinyl acetate. Require context.", "source_ids": [ "S02", "S14" ] }, { "term": "PVA glue", "target_id": "P025", "target_name": "Polyvinyl acetate", "relationship": "common_usage", "note": "Formulation and polymer identity require product confirmation.", "source_ids": [ "S14" ] }, { "term": "PU", "target_id": "P078", "target_name": "Cross-linked polyurethane systems", "relationship": "broader_than", "note": "Can refer to thermoset or thermoplastic polyurethane.", "source_ids": [ "S03", "S05" ] }, { "term": "Viton", "target_id": "P097", "target_name": "Fluorocarbon elastomers", "relationship": "brand_for", "note": "A fluoroelastomer brand family, not one universal formulation.", "source_ids": [ "S12" ] }, { "term": "Neoprene", "target_id": "P092", "target_name": "Chloroprene rubber", "relationship": "brand_common_name", "note": "Products labelled neoprene may be blends or coated textiles.", "source_ids": [ "S12" ] }, { "term": "Santoprene", "target_id": "P087", "target_name": "Thermoplastic vulcanizates", "relationship": "brand_for", "note": "Thermoplastic vulcanizate brand.", "source_ids": [ "S05" ] }, { "term": "Torlon", "target_id": "P053", "target_name": "Polyamide-imide", "relationship": "brand_for", "note": "PAI resin brand; individual filled grades differ.", "source_ids": [ "S42" ] }, { "term": "Kevlar", "target_id": "P042", "target_name": "Aromatic polyamides", "relationship": "brand_for_subtype", "note": "Para-aramid brand; not equivalent to all aramids.", "source_ids": [ "S32" ] }, { "term": "Nomex", "target_id": "P042", "target_name": "Aromatic polyamides", "relationship": "brand_for_subtype", "note": "Meta-aramid brand; chemically distinct from para-aramid.", "source_ids": [ "S32" ] }, { "term": "Mylar", "target_id": "P030", "target_name": "Poly(ethylene terephthalate)", "relationship": "brand_for_form", "note": "PET film brand; coatings and laminations require separate records.", "source_ids": [ "S32" ] }, { "term": "Kapton", "target_id": "P054", "target_name": "Polyimide", "relationship": "brand_for_form", "note": "Polyimide film brand; not a synonym for all PI grades.", "source_ids": [ "S32" ] }, { "term": "TPX", "target_id": "P010", "target_name": "Polymethylpentene", "relationship": "brand_for", "note": "Polymethylpentene brand.", "source_ids": [ "S32" ] }, { "term": "Fibreglass", "target_id": "P104", "target_name": "Glass-fibre reinforced polymers", "relationship": "ambiguous_name", "note": "May mean glass fibre alone or glass-reinforced plastic; identify matrix.", "source_ids": [ "S03", "S06" ] }, { "term": "304", "target_id": "M009", "target_name": "Stainless steel 304", "relationship": "grade_cross_reference", "note": "Common correspondence to 1.4301/S30400; verify product standard and certificate.", "source_ids": [ "S22" ] }, { "term": "18/8", "target_id": "M009", "target_name": "Stainless steel 304", "relationship": "approximate_description", "note": "Nominal Cr/Ni description is insufficient to certify a grade.", "source_ids": [ "S22" ] }, { "term": "CZ121", "target_id": "M031", "target_name": "Free-machining brass", "relationship": "grade_cross_reference", "note": "Common older brass designation; verify governing standard.", "source_ids": [ "S20" ] }, { "term": "Nickel silver", "target_id": "M037", "target_name": "Copper-nickel-zinc alloys", "relationship": "misleading_common_name", "note": "Cu-Ni-Zn alloy; silver is not a defining constituent.", "source_ids": [ "S19" ] }, { "term": "Monel", "target_id": "M039", "target_name": "Nickel-copper alloys", "relationship": "brand_family", "note": "Alloy 400 and K500 differ; brand alone is insufficient.", "source_ids": [ "S19" ] }, { "term": "Inconel", "target_id": "M040", "target_name": "Nickel-chromium high-temperature alloys", "relationship": "brand_family", "note": "Nickel-based alloys with distinct grade chemistries.", "source_ids": [ "S32" ] }, { "term": "Zamak", "target_id": "M047", "target_name": "Zinc casting alloys", "relationship": "family_name", "note": "Zinc casting alloys, not pure zinc.", "source_ids": [ "S25" ] }, { "term": "SG iron", "target_id": "M017", "target_name": "Ductile cast irons", "relationship": "common_name", "note": "Spheroidal graphite / ductile iron.", "source_ids": [ "S23", "S24" ] }, { "term": "Columbium", "target_id": "M063", "target_name": "Niobium", "relationship": "older_element_name", "note": "Older name for niobium.", "source_ids": [ "S30" ] }, { "term": "Silver solder", "target_id": "M049", "target_name": "Silver-containing brazing fillers", "relationship": "ambiguous_product_name", "note": "Often silver-bearing brazing filler; not pure silver or necessarily soft solder.", "source_ids": [ "S26" ] } ], "sources": [ { "id": "S01", "organisation": "ISO", "title": "ISO 1043-1:2011: polymer symbols", "url": "https://www.iso.org/standard/50590.html", "type": "Standard abstract", "scope": "Terminology and abbreviations; full standard not reproduced.", "accessed": "2026-10-09" }, { "id": "S02", "organisation": "British Plastics Federation", "title": "Thermoplastics", "url": "https://www.bpf.co.uk/plastipedia/polymers/polymer-thermoplastics.aspx", "type": "Industry reference", "scope": "Family identification and properties; index contains classification inconsistencies, so not copied as a taxonomy.", "accessed": "2026-10-09" }, { "id": "S03", "organisation": "British Plastics Federation", "title": "Thermosets", "url": "https://www.bpf.co.uk/plastipedia/polymers/Default.aspx", "type": "Industry reference", "scope": "Thermoset family coverage; polyurethane abbreviation normalised to PUR, not the index label EP.", "accessed": "2026-10-09" }, { "id": "S04", "organisation": "Plastribution", "title": "Polyolefins", "url": "https://www.plastribution.co.uk/polyolefins/", "type": "UK supplier", "scope": "Polyolefin resin supply listings.", "accessed": "2026-10-09" }, { "id": "S05", "organisation": "Plastribution", "title": "Engineering polymers", "url": "https://www.plastribution.co.uk/engineering-polymers/", "type": "UK supplier", "scope": "Engineering resins, blends, elastomers and brand mappings.", "accessed": "2026-10-09" }, { "id": "S06", "organisation": "Imagro UK", "title": "Product portfolio", "url": "https://www.imagro.co.uk/product-portfolio/", "type": "UK supplier", "scope": "Names polymers offered through UK warehouses; quantities not independently audited.", "accessed": "2026-10-09" }, { "id": "S07", "organisation": "Rochling UK", "title": "Sheets and blocks", "url": "https://www.roechling.com/uk/industrial/products/thermoplastics-semi-finished-products/sheets-and-blocks", "type": "UK supplier catalogue", "scope": "Standard, engineering and high-performance plastics.", "accessed": "2026-10-09" }, { "id": "S08", "organisation": "Ensinger UK", "title": "Material portfolio", "url": "https://www.ensingerplastics.com/en-gb", "type": "UK supplier catalogue", "scope": "Specialist engineering polymers and stock shapes.", "accessed": "2026-10-09" }, { "id": "S09", "organisation": "Abbey Polymers", "title": "Sourcing materials", "url": "https://www.abbeypolymers.co.uk/products/sourcing-materials/", "type": "UK supplier", "scope": "Engineering resin sourcing offer, not measured sales.", "accessed": "2026-10-09" }, { "id": "S10", "organisation": "Plastichem", "title": "Engineering plastics", "url": "https://www.plastichem.co.uk/engineering-plastics.html", "type": "UK fabricator", "scope": "Lists engineering and fluoropolymer materials supplied.", "accessed": "2026-10-09" }, { "id": "S11", "organisation": "Polyflon", "title": "Film, tape, sheet and membranes", "url": "https://www.polyflon.co.uk/films-sheets-tapes/", "type": "UK supplier", "scope": "PTFE and melt-processable fluoropolymer forms.", "accessed": "2026-10-09" }, { "id": "S12", "organisation": "Butser Rubber", "title": "Rubber moulding materials", "url": "https://www.butserrubber.com/materials/", "type": "UK manufacturer", "scope": "Elastomer families used in moulding.", "accessed": "2026-10-09" }, { "id": "S13", "organisation": "BPF", "title": "Cellulose acetate compounds suppliers", "url": "https://www.bpf.co.uk/directory/category.aspx?CategoryId=10541", "type": "UK supplier directory", "scope": "Directory-level evidence for cellulose acetate compounds.", "accessed": "2026-10-09" }, { "id": "S14", "organisation": "Solventis", "title": "Vinyl acetate monomer", "url": "https://solventis.net/products/others/vinyl-acetate-monomer/", "type": "UK feedstock supplier", "scope": "Describes downstream polymers. Does not prove UK sales of each downstream polymer.", "accessed": "2026-10-09" }, { "id": "S15", "organisation": "Nimac Great Britain", "title": "Bioplastic additives and plasticizers", "url": "https://nimacltd.co.uk/products/bioplastic-additives-plasticizers", "type": "UK supply-chain reference", "scope": "Additives offered for PLA, PHA, PBS, PBAT and starch polymers; does not itself verify resin tonnage.", "accessed": "2026-10-09" }, { "id": "S16", "organisation": "Scott Bader", "title": "UK operations", "url": "https://www.scottbader.com/about-us/global-offices/scott-bader-uk/", "type": "UK manufacturer", "scope": "UK presence and manufacturing context.", "accessed": "2026-10-09" }, { "id": "S17", "organisation": "Scott Bader", "title": "Global product range", "url": "https://www.scottbader.com/business/products/", "type": "Manufacturer catalogue", "scope": "Polyester and vinyl ester resin products; precise plant origin is product-dependent.", "accessed": "2026-10-09" }, { "id": "S18", "organisation": "Ureka", "title": "Melamine urea resin adhesive", "url": "https://thenamethatsticks.com/adhesive-type/muf-adhesive/", "type": "UK supplier", "scope": "MUF wood adhesive offer.", "accessed": "2026-10-09" }, { "id": "S19", "organisation": "Smiths Metal Centres", "title": "Technical datasheets", "url": "https://www.smithmetal.com/datasheets.htm", "type": "UK stockholder", "scope": "UK offer of named metals, alloys and engineering plastics. Grade listings are not batch certificates.", "accessed": "2026-10-09" }, { "id": "S20", "organisation": "Aalco", "title": "Copper and copper-alloy datasheets", "url": "https://www.aalco.co.uk/datasheets/?gId=22", "type": "UK stockholder", "scope": "Copper, brass and bronze grade cross-references; specifications need product-level checks.", "accessed": "2026-10-09" }, { "id": "S21", "organisation": "British Stainless Steel Association", "title": "Stainless-steel grade datasheets", "url": "https://bssa.org.uk/bssa_articles/stainless-steel-grades-datasheets/", "type": "Industry reference", "scope": "EN grade coverage; some standard grades are not practically available.", "accessed": "2026-10-09" }, { "id": "S22", "organisation": "thyssenkrupp Materials UK", "title": "304 / 1.4301 stainless steel", "url": "https://www.thyssenkrupp-materials.co.uk/stainless-steel-304-14301.html", "type": "UK supplier datasheet", "scope": "304, 304L and common specification mappings; warns standards can differ.", "accessed": "2026-10-09" }, { "id": "S23", "organisation": "Trent Castings", "title": "Grey and ductile iron", "url": "https://trent-castings.co.uk/", "type": "UK manufacturer", "scope": "Grey, ductile and austempered ductile iron manufacture.", "accessed": "2026-10-09" }, { "id": "S24", "organisation": "Archibald Young", "title": "Iron alloys", "url": "https://www.archibaldyoung.co.uk/materials/iron-alloys/", "type": "UK manufacturer", "scope": "Grey, ductile and Ni-Resist cast iron.", "accessed": "2026-10-09" }, { "id": "S25", "organisation": "ZAMAK", "title": "Zinc casting alloys", "url": "https://www.zamak.co.uk/", "type": "UK supplier search listing", "scope": "Indexed manufacturer/supplier listing; full page retrieval failed.", "accessed": "2026-10-09" }, { "id": "S26", "organisation": "CuP Alloys", "title": "Products", "url": "https://cupalloys.co.uk/collections/all", "type": "UK supplier", "scope": "Tin-lead solders, silver brazing alloys and copper-phosphorus rods.", "accessed": "2026-10-09" }, { "id": "S27", "organisation": "Cooksongold", "title": "Bullion for jewellery making", "url": "https://www.cooksongold.com/Bullion/", "type": "UK supplier", "scope": "Gold, silver, platinum, jewellery alloys, sheet and wire.", "accessed": "2026-10-09" }, { "id": "S28", "organisation": "Johnson Matthey", "title": "PGM trading", "url": "https://matthey.com/products-and-markets/pgms-and-circularity/pgm-management/trading", "type": "UK trading operation", "scope": "Platinum, palladium, rhodium, iridium and ruthenium; bulk precious metals.", "accessed": "2026-10-09" }, { "id": "S29", "organisation": "Avon Specialty Metals", "title": "Superalloy recycling", "url": "https://www.avonspecialtymetals.com/", "type": "UK recycler", "scope": "UK processing offer for Ni/Co/Fe superalloys and named refractory metals.", "accessed": "2026-10-09" }, { "id": "S30", "organisation": "MTT Supplies and Fabrications", "title": "Refractory metals", "url": "https://www.molyandtantalum.com/", "type": "UK specialist supplier", "scope": "W, Mo, Ta, Nb, Zr and specialist compositions.", "accessed": "2026-10-09" }, { "id": "S31", "organisation": "Magnet Expert", "title": "Permanent magnet materials", "url": "https://www.magnetexpert.com/blog/a-guide-to-the-different-permanent-magnet-materials/", "type": "UK supplier technical guide", "scope": "NdFeB, SmCo, Alnico, ferrites and bonded magnets.", "accessed": "2026-10-09" }, { "id": "S32", "organisation": "Goodfellow", "title": "Materials sitemap", "url": "https://www.goodfellow.com/usa/sitemap/index/index", "type": "Global supplier catalogue", "scope": "UK URL redirected to USA. Used for taxonomy only, not confirmation of UK supply.", "accessed": "2026-10-09" }, { "id": "S33", "organisation": "ONS", "title": "UK manufacturers sales by product: 2025", "url": "https://www.ons.gov.uk/businessindustryandtrade/manufacturingandproductionindustry/bulletins/ukmanufacturerssalesbyproductprodcom/2025", "type": "Official statistics", "scope": "Release 24 July 2026. Product sales, disclosure gaps, basic steel exclusions from totals.", "accessed": "2026-10-09" }, { "id": "S34", "organisation": "HMRC", "title": "UK Trade Info API", "url": "https://www.uktradeinfo.com/api-documentation", "type": "Official data documentation", "scope": "Commodity-level trade, net mass and value. Data extraction not undertaken in this inventory stage.", "accessed": "2026-10-09" }, { "id": "S35", "organisation": "ONS", "title": "Material flow accounts", "url": "https://www.ons.gov.uk/economy/environmentalaccounts/datasets/ukenvironmentalaccountsmaterialflowsaccountunitedkingdom", "type": "Official statistics", "scope": "Release 20 August 2026, data 1990-2024. Broad economy-level flows.", "accessed": "2026-10-09" }, { "id": "S36", "organisation": "BGS", "title": "UK mineral statistics", "url": "https://www.bgs.ac.uk/mineralsuk/statistics/uk/", "type": "Official research/statistics", "scope": "Minerals production, consumption and trade; useful for metal flow work.", "accessed": "2026-10-09" }, { "id": "S37", "organisation": "BGS / CMIC", "title": "UK 2024 criticality assessment", "url": "https://nora.nerc.ac.uk/id/eprint/539735/", "type": "Research report record", "scope": "82 candidate materials, 34 assessed critical. Criticality is not recyclability.", "accessed": "2026-10-09" }, { "id": "S38", "organisation": "BGS / CMIC", "title": "Waste and scrap flows in the UK: copper and tungsten", "url": "https://nora.nerc.ac.uk/id/eprint/540737/", "type": "Research report abstract", "scope": "2025, OR/25/050. Abstract identifies copper recovery opportunities and data gaps.", "accessed": "2026-10-09" }, { "id": "S39", "organisation": "BGS / CMIC", "title": "Future demand and secondary supply for UK net zero technologies", "url": "https://nora.nerc.ac.uk/id/eprint/541637/", "type": "Research report abstract", "scope": "2026, OR/26/027. Technology-specific modelling, not an all-material census.", "accessed": "2026-10-09" }, { "id": "S40", "organisation": "BPF", "title": "Plastics additives", "url": "https://www.bpf.co.uk/plastipedia/additives/Default.aspx", "type": "Industry reference", "scope": "Additive functions must be stored separately from polymer identity.", "accessed": "2026-10-09" }, { "id": "S41", "organisation": "BGS", "title": "UK 2024 criticality assessment overview", "url": "https://www.bgs.ac.uk/news/uk-2024-criticality-assessment/", "type": "Official research summary", "scope": "Names relevant specialist elements and national criticality findings.", "accessed": "2026-10-09" }, { "id": "S42", "organisation": "Ensinger UK", "title": "Polyamide-imide", "url": "https://www.ensingerplastics.com/en-gb/thermoplastic-materials/torlon-pai-polyamid-imide", "type": "UK supplier datasheet", "scope": "PAI stock shapes and Torlon relationship.", "accessed": "2026-10-09" }, { "id": "S43", "organisation": "Kuraray", "title": "Polyvinyl alcohol", "url": "https://www.kuraray.com/eu-en/products/product-groups/polyvinyl-alcohol/", "type": "European manufacturer", "scope": "PVOH resin and films; UK downstream sales not separately established.", "accessed": "2026-10-09" }, { "id": "S44", "organisation": "Cooksongold", "title": "Platinum casting grain", "url": "https://www.cooksongold.com/Grain-and-Casting-Pieces/-Alloy%3DPlatinum_Grain/%26prdsearch%3Dy", "type": "UK supplier", "scope": "950 platinum casting grain.", "accessed": "2026-10-09" }, { "id": "S45", "organisation": "Fluorocarbon", "title": "PCTFE", "url": "https://fluorocarbon.co.uk/products/materials/pctfe/", "type": "UK manufacturer", "scope": "PCTFE manufacturing, machining and stock forms; UK location listed.", "accessed": "2026-10-09" }, { "id": "S46", "organisation": "Ceetak", "title": "ACM and AEM", "url": "https://ceetak.com/materials/aem-acm/", "type": "UK supplier", "scope": "Polyacrylate and ethylene-acrylate sealing compounds.", "accessed": "2026-10-09" }, { "id": "S47", "organisation": "Ceetak", "title": "NBR and HNBR", "url": "https://ceetak.com/materials/nitrile-hydrogenated-nitrile/", "type": "UK supplier", "scope": "Hydrogenated nitrile sealing compounds.", "accessed": "2026-10-09" }, { "id": "S48", "organisation": "Ceetak", "title": "FFKM", "url": "https://ceetak.com/materials/ffkm/", "type": "UK supplier", "scope": "Perfluoroelastomer sealing compounds.", "accessed": "2026-10-09" }, { "id": "S49", "organisation": "Avon Metals", "title": "Aluminium casting alloys", "url": "https://www.avonmetals.com/aluminium-alloys/aluminium-casting-alloys/", "type": "UK manufacturer", "scope": "LM and AA casting alloys; offers remelting of customer scrap.", "accessed": "2026-10-09" }, { "id": "S50", "organisation": "Avon Metals", "title": "Ferro alloys", "url": "https://www.avonmetals.com/ferro-alloys/", "type": "UK supplier", "scope": "Ferro-titanium, zirconium, vanadium, niobium and aluminium.", "accessed": "2026-10-09" } ], "counts": { "polymer_records": 111, "metal_records": 97, "name_mappings": 29, "sources": 50 } }