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.Chloride content(%):68¡À1 2.density:density(g/cm3):1.45-1.65 3.Vicat soften temperature(¡æ)110 4.Longitudinal reversion(£¥)5 . 25kg/bag.