prov:value
| - lymer, an ethylene-vinyl acetate copolymer and the like, cellulose derivatives such as cellulose triacetate and the like, vinyl-type resins such as polyvinylidene chloride, polyvinyl butyrals and the like, polystyrenes, polyimides, polyamides such as nylon, polyether sulfone, polysulfone-type resins, polyacrylate-type resins, fluorine-type resins, polyether ether ketones, polyurethanes, polyacryli
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