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| - By plastic it is meant thermoplastic materials including thermoplastic esters, polyamides, polyolefins, polystyrenes, vinyl plastics such as polyvinyl chloride, fluoropolymers, such as tetrafluoroethylene, polychlorotriethylene, polyvinylidine, polyvinyl chloride, acrylic polymers, polyamides, cellulose polymers, aromatic hetrochain plastics, and the like.
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