prov:value
| - mellitic anhydride, polyamides, e.g. nylon 6, nylon 6,6, nylon 6,11, polyacrylonitrile, polyethers, polyesters, e.g. polyethylene terephthalate, polymerized propylene glycol adipate maleate, fluoroplastics, e.g. polytetrafluoroethylene (Teflon), tetrafluoroethylene-hexafluoropropylene copolymer, polyvinylidene fluoride, polymerized olefins, e.g. polyethylene, polypropylene, ethylene-propylene copo
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