Polyvinyl Chloride Resin | SG3 | SG5 | SG8 |
K value | 72-71 | 68-66 | 59-55 |
Viscosity number | 135-127 | 118-107 | 86-73 |
Average degree of polymerization | 1370-1251 | 1135-981 | 740-650 |
Number of impurity particles ≤ | 16 | 16 | 20 |
Volatile content (incl.water)% ≤ | 0.30 | 0.40 | 0.40 |
Apparent density ≥ | 0.45 | 0.45 | 0.48 |
Number of fish eye (/400 cm2) ≤ | 20 | 20 | 30 |
Plasticizer absorption of 100g resin ≥ | 26 | 20 | 14 |
Whiteness (160, after 10 min.)% ≥ | 80 | 80 | 75 |
VCM Residue PPM ≤ | 3 | 3 | 3 |