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 | |