PVC material is polyvinyl chloride PVC plastic pipe manufacturers, it is a very versatile material PVC plastic pipe products, often used in our lives. Such as PVC pipe shaped PVC plastic pipe fittings, PVC flooring, PVC wallpaper and so on. Indian market demand for PVC is increasing year by year, the future of India will continue to rely on imported PVC supplement. 1, PVC classification of different production methods, PVC can be divided into: general-purpose PVC resin, a high degree of polymerization PVC resins, crosslinked PVC resin. General-purpose PVC resin is a vinyl chloride monomer after polymerization initiator formed; high degree of polymerization PVC resin refers to vinyl chloride monomer was added in the polymerization system, polymerization of the chain extender resin; a crosslinked PVC resin is was added in the polymerization system of vinyl chloride monomer and a polyene resin diene polymerization containing crosslinker. Polyvinyl chloride resin properties, free of metal ions, have good electrical insulation properties and thermal stability. SPVC absolute viscosity divided into six types: XS-1, XS-2 ...... XS-6; XJ-1, XJ-2 ......, XJ-6. Type the meaning of each letter: X- suspension; S- loose type; J- compact; the chart below for the domestic SPVC features. 2, PVC plastic PVC pipe named Shandong, PVC plastic pipe fittings, sea Widex Widex provided by Qingdao Rubber Material Co., Ltd. Widex Qingdao Rubber Material Co., Ltd. (www.haihuidaxiangsu.com) strong, credible, in Qingdao, Shandong industrial products industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the sea Widex and you work into the brilliant, for a better future!