China 2021 High Quality Manufaturing Factory PVC Resin Sg3, Sg5, Sg8 (K70, K67, K58), Find details about China Plastic Material, Plastic Product from 2021 High Quality Manufaturing Factory PVC Resin Sg3, Sg5, Sg8 (K70, K67, K58)
Index\Grade | SG3 | SG5 | ||
Viscosity ml/g (or k value) Average Degree of Polymerization | 135-127 (72-71) 1350-1250 | 118-107 (68-66) 1100-1000 | ||
Impurity,Piece ≤s | 30 | 30 | ||
Volatile (including water)Content %≤ | 0.40 | 0.40 | ||
Apparent Density g/ml ≥ | 0.42 | 0.42 | ||
Sieve Residue % | Sieve Rate% | 0.25mm Sieve Pore ≤ | 2.0 | 2.0 |
Sieve Rate% | 0.063mm Sieve Pore ≥ | 90 | 90 | |
"Pearl eye"number,Piece/400cm2≤ | 40 | 40 | ||
100g resin plasticiser absorption capacity g. | 25 | 19 | ||
Whiteness (160°C,100min), %≥ | 74 | 74 | ||
Water liquid extract conductance ratio s/m < | 5x10-3 | |||
Remain chloroethylene Content μg/g< | 5 | 5 |