ethylene vinyl alcohol polymers and copolymers, polycholorotrifluoroethylene polymers and copolymers, acrylonitrile methacrylate polymers and copolymers, polyacrylonitrile polymers and copolymers, aromatic polyamide polymers and copolymers, amorphous polyamide polymers and copolymers, polyvinyl chloride polymers and co...