... DescriptionPVC resin is the most widely raw material used in plastic production. It has good chemical stability, corrosion resistance and ... is used in the insulation material of PVC tube, panel, hard transparent sheet, foil, disc, PVC monofilament, blow molding product, ... .SG-7: Good hardness and high strength, mainly used for hard plastic tubes and pipes, good for bottle, clarity flake etc.Packing ...