... / Chemical Characteristics :Suspension grade PVC Resin is a white or buff powder,good capability of corrosion resiatance,electric insulativity ... pipes,SG-5. used in producing transparent products section bar, hard tube and decorative materials, Rigid plate, gramophone record, value and ... -7 and SG-8 used in producing clear foil, hard injection molding, Good hardness and high strength, mainly used ...