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Good quality pvc resin sg5 from china factory

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Description

Properties: It is White powder ,thermoplastic, insoluble in water, gasoline and ethanol, expandable or soluble in
ether, ketone, fatty chlorohy-drocarbons or aromatic hydrocarbons with strong anti--corrosiveness, and good dieletric property.

Specification:
Item Standards
SG3 SG5 SG7
K value 72~ 71 68~ 66 62~60
Viscosity number 135 - 127 118 - 107 95 - 87
Average degree of polymerization 1350-1250 1100- 1000 750-650
Number of impurity particles ≤ 16 ≤ 16 ≤ 16
Volatile content (incl. water)% ≤ 0.30 ≤ 0.40 ≤ 0.40
Apparent density ≥ 0.42 ≥ 0.42 ≥ 0.45
Particle size 0.25mm Sieve % ≤ 2.0 ≤ 2.0 ≤ 2.0
0.063mm Sieve ≥ 90 ≥ 90 ≥ 90
Number of Fish Eye /400 cm2 ≤ 40 ≤ 40 ≤ 50
Plasticizer absorption of 100g resin ≥ 25 ≥ 17 ≥ 14
Whiteness (160, after 10 min.) % ≥ 75 ≥ 75 ≥ 75
VCM Residue PPM ≤ 10 ≤ 10 ≤ 10

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