Erdos Polyvinyl Chloride Resin Sg5

POLYVINYL CHLORIDE RESIN(PVC) PVC resin, physical appearance of white powder, non-toxic, odorless. Relative density 1.35-1.46, refractive index 1.544 (20℃) insoluble in water, gasoline, alcohol and vinyl chloride, soluble in acetone, dichloroethane, xylene and other solvents, high chemical stability, with good plasticity. PVC resin is a polar non-crystalline polymer, there is a strong force between molecules, is a hard and brittle material; Low impact strength. Parameter Grade Standard: GB5761-1993 SG3 SG5 SG7 SG8 K - Value 72 - 71 66 - 68 62 - 60 59 - 55 Polymerizing Index 1300 +/-50 1000 +/…