| http://www.w3.org/ns/prov#value | - fluoroethylene, polyvinylidene fluoride and flu'orinated elastomers; polyolefin resins such as polyethylene, polypropylene, polyisobutylene; polypentene-l, poly-4-methylpentene-l polybutadiene, poly-3- methylbutenel polyisoprene and poly-2- chlorobutadiene; polystyrene resins; polyvinyl resins, such as polyvinyl chloride. polyvinyl acetate, polyvinylidenechloride, polyvinyl alcohol, polyvinyl acet
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