CPVC (Chlorinated Polyvinyl Chloride / CPVC) an kafa shi a cikin 1958 ta Amurka Lubrizol Corporation (tsohon tsohon kamfanin Jamus na BFGoodrich) ya sami nasarar haɓakawa, saboda kyakkyawan juriya ga yanayin zafi mai ƙarfi, juriya da lalatawar wuta kamar an yi amfani da shi a yankuna da yawa na masana'antu. Concept bayan chloride da aka kafa na CPVC ne PVC polymer, CPVC daban-daban chlorination hanyoyin, yanayi da kuma dauki na chlorine tare da babban da yawa bambanci, Corzan CPVC ne PVC bisa babban chlorine abun ciki daga 56.7% zuwa 67-74%. CPVC kawai 63-67% abun ciki na chlorine a Gabaɗaya. CPVC ƙara abun ciki na chlorine zai sa gilashin canjin zafin jiki na Tg na polymer ya inganta sosai, kuma saboda karuwar nauyin kwayoyin halitta na PVC a matakan guda ɗaya don chlorine, kuma ƙananan ƙimar yana ƙaruwa. An shigar da Corzan CPVC saboda ƙarancin farashin sa, babban zafin jiki, inert inert na sinadarai, ingantaccen ƙarfin injin, rashin ɗabi'a da mafi kyawun ƙonawa da hayaƙi, Corzan CPVC ya zama mai mahimmanci a cikin kayan filastik injiniya.