... polyethylene (HDPE)and chlorine. Its main function is to improve impact strength and flexility CPE is made from high density polyethylene ... (HDPE)and chlorine. Its main function is to improve impact strength and flexility of rigid PVC product. Its appearance is ... low temperature tenacity, high strength, high filling, anti-aging, anti-impact, etc.Used in profiled bar of doors, windows, plastic pipes ...