is widely used in the production of water pipe, chemical pipe, plastic windows and doors, packing film, plastic ... -2 3.Type: Synthetic Resin and plasticPVC typeK valueAverage degree of polymerizatoinSG-177-75--SG-274-73--SG-372-711350-1250SG ... year. Premium quality. Use: is widely used in the production of water pipe, chemical pipe, plastic windows and doors, packing film, plastic ...