... used in the insulation material of PVC tube, panel, hard transparent sheet, foil, disc, PVC monofilament, blow molding product, appliance ... Rigid plate, gramophone record, value and welding rod, PVC pipes, PVC windows, doors ,etc.SG-7: Good hardness and high ... bag, net weight 25kg. Annual capacity: 60000 ton. Polyvinyl chloride resin(GB/T5761-2006) TypeSG1SG2SG3SG4SG5SG6SG7SG8Viscosity,ml/g(or K value ...