| http://www.w3.org/ns/prov#value | - polyisoprene or styrene-butadiene-styrene block copolymers (Stereon??? products of Firestone Synthetic Rubber and Latex Co.), graft copolymers of styrene-acrylonitrile on rubbers such as butadiene (ABS), polyisoprene or styrene-butadiene-styrene block copolymers, graft copolymers of styrene-methyl methacrylate on rubbers such as polybutadiene (MBS), butadiene-styrene radial block copolymers (e.g.,
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