| http://www.w3.org/ns/prov#value | - Such materials include, for example, polyolefin resins such as polyethylene, polypropylene; fluorocarbon polymers such as polytetrafluoroethylene; ethylene copolymers such as ethylene-ethyl acrylate copolymer and ethylene vinyl acetate copolymer; polyesters; styrene polymer or copolymers such as polystyrene, styrene-butadiene copolymer, and styrene-acrylate copolymers; higher fatty acids such as p
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