... .To be used in producing film,artificial leather and mantle layer of electric wire and cable etc.It can also be use ... electrical insulating materials, film, raincoat, industry packing, artificial leather, hose and shoe-making material,soft products etc.SG-4 used in ... . Avoiding rain, snow, humid, sunshine, throwing and other mechanical damage PVC Resin SG3 SG4 K70 K71 for soft PVC film and leather