| http://www.w3.org/ns/prov#value | - ulfonated polyethylene, brominated poly(2,3-dichloro-1,3-butadiene), copolymers of alphachloroacrylonitrile and 2,3-dichloro-1,3-butadiene, chlorinated poly(vinyl chloride), halogenated copolymers of dissimilar ??-olefins having from about 2 to about 8 carbon atoms, and the like, including mixtures of such halogen-containing elastomers.
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