... use in producing sheet,window,pipe,door and valve. .Suspension polyvinylchloride/ PVC Resin, synonyms: polyvinyl chloride resin, chloroethylene ... raincoat, industry packing, artificial leather, hose and shoe-making material,soft products etc.SG-4 used in producing membranelle ... rain, snow, humid, sunshine, throwing and other mechanical damage PVC Resin SG3 SG4 K70 K71 for soft PVC film and leather