... 3.Can be widely used for soft and rigid PVC plastic product 4.Original packagePVC ResinProperties:It is thermoplastic, insoluble in ... in producing electrical insulating materials, agricultural film, daily-use plastic products, SG-4 is used in producing membranelle for industrial and civil ... in producing clear foil, hard board and welding rod SG-7, SG-8 is used in producing clear foil, hard injection ...