| http://www.w3.org/ns/prov#value | - The core layer 12 in a preferred embodiment is comprised of a polymeric blend including a polyvinyl chloride resin; a copolymer containing vinyl chloride and vinyl ester repeat units; one or more acrylic class polymers or copolymers; a chlorinated polyolefin; various solid tin stabilizers, various ester waxes, an oxidized polyethylene, and a tertiary organo phosphite.
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