Polyvinyl chloride resin (PVC): white powder in appearance. It is widely used in industrial products, floor leather, artificial leather, pipes, wires and cables, packaging film, foaming materials, etc. the packaging is 25kg / bag, 600kg / bag and 1200kg / bag. DG-1300: production of cable material, fresh-keeping film, etc. DG-1000k: production of plastic profiles, pipes, etc DG-1000s: production of packaging film, etc DG-800: production of packaging sheet, medical sheet, etc DG-700: production of pipe fittings, foamed plates, etc Main indicators of product standard (Q / 12 hg5220-2019) Project DG-1300 DG-1000K DG-1000S DG-700 DG-800 Average degree of polymerization P 1221-1380 981-1080 981-1080 651-750 751-850 Apparent density, g / ml 0.46-0.54 0.51-0.57 0.51-0.57 0.53-0.61 0.54-0.60 Whiteness (160 ℃, 10min),% ≥ 78 78 78 75 78 Corresponding table of degree of polymerization, viscosity and K value Average degree of polymerization 2351-2650 1221-1380 981-1080 771-870 751-750 651-750 481-600 401-500 Viscosity, ml / g 222-248 125-138 105-138 87-96 86-94 73-86 62-72 57-64 K value 89-93 70-73 65-67 60-62 59-62 55-59 51-55 49-51