Characters and Applications: PVC is the shock resistant modifying agent for improving hard PVC products.It could be used to manufacture various profiled materials,doors and windows, new chemical building materials,domestic electric appliance, ABS modification,and for wire,cable,hose,adhesive tape and various rubber products as the special rubber. Packing&Storage: Packed in 25kg or 50kg plastic woven bags with polyethylene liner; Stored in dry and cool warehouse with packages sealed and away from rain and wetting. Quality Standard: SG-3 SG-4 Qualified products Top quality First quality Qualified products Top quality First quality Qualified products Viscosity, ml/g (or K number)(or average aggregation) 135-127 (72-71) (1350-1250) 126-119 (70-69) (1250-1150) Number of foreign particles, ≤ 90 16 30 90 16 30 90 Volatile matter (including water) content, % ≤ 0.50 0.30 0.40 0.50 0.30 0.40 0.50 Apparent density, g/ml ≥ 0.40 0.45 0.42 0.40 0.45 0.42 0.40 Residue on sieve % 0.25mmsieve pore ≤ 8.0 2.0 2.0 8.0 2.0 2.0 8.0 0.063mmsieve pore ≥ 80 90 90 80 90 90 80 Number of "fishing eyes" / 400cm2≤ - 20 40 - 20 40 - Plasticizer absorption capacity in 100g resin, g ≥ - 26 25 - 23 22 - Whiteness (160 °C, 10min), % ≥ - 74 - - 74 - - Conductivity of water extraction, s/m ≤ - 5?03 - - Content of residue vinyl chloride, ug/g ≤ - 8 10 - 8 10 -