prov:value
| - Examples of materials which are included are polyvinyl chlorides, nylons, fluorocarbons, polyethylene, polybutene, polyurethane prepolymer, polystyrene, polypropylene, polyphenylene ether, unvulcanized polybutadiene, unvulcanized polyisoprene, cellulosic resin, acrylic resin, solid epoxy prepolymer, and copolymers thereof.
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