CPE chlorinated polyethylene CAS:64754-90-1 Content of chlorine%34 ~36 ... rubbers used together with CPE include caoutchouc, butadiene styrene rubber,ethylene propylene diene copolymer, polyurethane rubber, acrylonitrile butadiene rubber,neoprene and ... takes strict precautions again stress. It is not dangerous cargo. chlorinated polyethylene-----CPE