Chlorinated polyvinyl chloride (CPVC) is a thermoplastic produced by chlorination of specific type of polyvinyl chloride (PVC) resin. CPVC is a new synthesized polymer material 1.density:1.51 g/cm3 2.chloride content(%):66.5±0.5;68±0.5 3.volatile content (%≤):0.3 4.usage:high-voltage power piping system, free protection piping system, cold and hot water piping system, oil pipeline system, various industries (chemical industry) plastic sheet, profiles etc. 25kg/bag.