1 Inorganic materials |  |
| M-10 Steels and ferrous materials |  |
| | M-100 | Stainless steel |  |
| | M-101 | Cast and sintered irons |  |
| | M-119 | Other ferrous alloys, non-stainless steels |  |
| M-12 Non-ferrous metals and alloys |  |
| | M-120 | Aluminium and its alloys |  |
| | M-121 | Copper and its alloys |  |
| | M-122 | Magnesium and its alloys |  |
| | M-123 | Nickel and its alloys |  |
| | M-124 | Zinc and its alloys |  |
| | M-125 | Lead and its alloys (including Pb solders) |  |
| | M-126 | Tin and its alloys (including Pb-free solders) |  |
| | M-149 | Other non-ferrous metals and alloys |  |
| M-15 Precious metals |  |
| | M-150 | Gold |  |
| | M-151 | Platinum |  |
| | M-152 | Palladium |  |
| | M-159 | Other precious metals |  |
| M-16 Non-metallic inorganic materials |  |
| | M-160 | Ceramics |  |
| | M-161 | Glass |  |
| M-19 Other inorganics |  |
| | M-199 | Other inorganic materials |  |
2 Organic materials |  |
| M-20 Unfilled thermoplastics resin |  |
| | M-200 | PolyVinylChloride (PVC) |  |
| | M-201 | PolyEthylene (PE) |  |
| | M-202 | PolyPropylene (PP) |  |
| | M-203 | PolyStyrene (PS) |  |
| | M-204 | PolyCarbonate (PC) |  |
| | M-205 | PolyOxyMethylene (POM) |  |
| | M-206 | Acrylonitrile-Butadiene-Styrene (ABS) |  |
| | M-207 | Styrene Acrylonitrile (SAN) |  |
| | M-208 | PolyAmide (PA) |  |
| | M-209 | PolyEthyleneTerephthalate (PET) |  |
| | M-210 | PolyPhenyleneEther (PPE) |  |
| | M-211 | PolyButyleneTerephthalate (PBT) |  |
| | M-212 | Ethylene vinyl acetate copolymers (EVAC) |  |
| | M-213 | Polyphenylenesulfide (PPS) |  |
| | M-214 | Polytetrafluorethylene (PTFE) |  |
| | M-215 | Polyketone (PK) |  |
| | M-216 | Acrylonitrile Styrene Acrylate Copolymer (ASA) |  |
| | M-217 | Polyetheretherketone (PEEK) |  |
| | M-218 | Polyphthalamide (PPA) |  |
| | M-219 | PolyVinylidene Fluoride (PVDF) |  |
| | M-220 | Polymethylmethacrylate (PMMA) |  |
| | M-221 | Acrylate, Acrylate resin (PAKC) |  |
| | M-222 | Polyarylamide (PARA) |  |
| | M-230 | PC-PBT |  |
| | M-231 | PC-ABS |  |
| | M-232 | PPE-PS |  |
| | M-249 | Other unfilled thermoplastics |  |
| M-25 Filled thermoplastics resin |  |
| | M-250 | PolyVinylChloride (PVC) |  |
| | M-251 | PolyEthylene (PE) |  |
| | M-252 | PolyPropylene (PP) |  |
| | M-253 | PolyStyrene (PS) |  |
| | M-254 | PolyCarbonate (PC) |  |
| | M-255 | PolyOxyMethylene (POM) |  |
| | M-256 | Acrylonitrile-Butadiene-Styrene (ABS) |  |
| | M-257 | Styrene Acrylonitrile (SAN) |  |
| | M-258 | PolyAmide (PA) |  |
| | M-259 | PolyEthyleneTerephthalate (PET) |  |
| | M-260 | PolyPhenyleneEther (PPE) |  |
| | M-261 | PolyButyleneTerephthalate (PBT) |  |
| | M-262 | Ethylene vinyl acetate copolymers (EVAC) |  |
| | M-263 | Polyphenylenesulfide (PPS) |  |
| | M-264 | Polytetrafluorethylene (PTFE) |  |
| | M-265 | Polyketone (PK) |  |
| | M-266 | Acrylonitrile Styrene Acrylate Copolymer (ASA) |  |
| | M-267 | Polyetheretherketone (PEEK) |  |
| | M-268 | Polyphthalamide (PPA) |  |
| | M-269 | PolyVinylidene Fluoride (PVDF) |  |
| | M-270 | Polymethylmethacrylate (PMMA) |  |
| | M-271 | Acrylate, Acrylate resin (PAKC) |  |
| | M-272 | Polyarylamide (PARA) |  |
| | M-280 | PC-PBT |  |
| | M-281 | PC-ABS |  |
| | M-282 | PPE-PS |  |
| | M-299 | Other filled thermoplastics |  |
| M-30 Duromers |  |
| | M-300 | Polyurethane (PUR) |  |
| | M-301 | Unsaturated polyester (UP) |  |
| | M-302 | Epoxy resin (EP) |  |
| | M-303 | Polyimide (PI) |  |
| | M-319 | Other duromers |  |
| M-32 Elastomers |  |
| | M-320 | NBR |  |
| | M-321 | Silicone |  |
| | M-322 | Hydrogenated Acrylonitrile-Butadiene Rubber (HNBR) |  |
| | M-323 | Liquid Silicone Rubber (LSR) |  |
| | M-324 | Ethylene-Propylene-Diene-Rubber (EPDM) |  |
| | M-325 | Fluoropolymer rubber (FPM) |  |
| | M-326 | Styrene-Butadiene-Rubber (SBR) |  |
| | M-327 | Thermoplastic Elastomeres (TPE) |  |
| | M-339 | Other elastomers |  |
| M-34 Natural materials |  |
| | M-340 | Wood |  |
| | M-341 | Paper |  |
| | M-342 | Fiber |  |
| | M-343 | Leather |  |
| M-39 Other organics |  |
| | M-399 | Other organic materials |  |
3 Materials for product operation |  |
| M-40 Materials for product operation |  |
| | M-400 | Refrigerant gases and cryogens and other greenhouse gases |  |
| | M-409 | Other gases |  |
| | M-410 | Oils and greases |  |
| | M-411 | Fuels |  |
| | M-429 | Other liquids |  |
| | M-449 | Other substances or mixtures for product operation |  |