... quality, competitive price 3.Shanghai/Tianjin/Alashanko Polyvinyl Chloride (PVC) Resin Formula:(C2H3Cl)n CAS No.:9002-86-2 ... Property:PVC resin is the most widely raw material used ... in the production of water pipe, chemical pipe, plastic windows and doors, packing film, plastic carpet, plastic ceiling, ... and avoids heat, humidity, solarization and rain drenching. PVC resin