| http://www.w3.org/ns/prov#value | - Second polymer 6 is preferably a styrenic polymer such as polystrene (PS), however, any amorphous polymer may be used in composite 1, such as one or more of Impact PS, polymethylmethacrylates (PMMA), polyvinyl chlorides (PVC), acrylonitrile-butadine-styrene copolymers (ABS), thermoplastic polyurethanes (TPU), styrene acrylonitrile copolymers (SAN), polyphenyl oxide (PPO), acryla-styrene butyl-acry
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