PVC resin can be processed into various plastic products. It can be divided into soft and hard products according to its application. It is mainly used to produce transparent sheets, pipe fittings, gold cards, blood transfusion equipment, soft and hard tubes, plates, doors and windows. Profiles, films, electrical insulation materials, cable jackets, blood transfusions, etc.
SG-5 Mainly usually used on PVC profile,PVC pipe,PVC sheet, PVC board
Items | SG8 | SG7 | SG5 | SG4 | SG3 |
Average degree of polymerization | 650-740 | 750-850 | 980-1080 | 980-1080 | 1250-1350 |
K value | 55-59 | 60-62 | 66-68 | 66-68 | 71-72 |
Viscosity | 73-86 | 87-95 | 107-118 | 107-118 | 127-135 |
Foreign Particle | 16max | 16max | 16max | 16max | 16max |
Volatile Matter,% | 30max | 30max | 30max | 30max | 30max |
Apparent Density,g/ml | 0.53min | 0.53min | 0.48min | 0.53min | 0.48min |
0.25mm Sieve Retained,% | 2.0max | 2.0max | 1.0max | 1.0max | 1.0max |
0.063mm Sieve Retained,% | 97min | 97min | 95min | 98min | 98min |
No.of Grain/400cm2 | 20max | 20max | 10max | 10max | 10max |
Plasticizer absorption of 100g resin,g | 14min | 16min | 25min | 19min | 28min |
Whitene S S Degree 160 ºC 10min,% | 80 | 80 | 80 | 80 | 80 |
Residual Chlore Thylene Content,mg/kg | 1 | 1 | 1 | 1 | 1 |






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