Polyvinyl Chloride Resin | SG3 | SG5 | SG8 | |
Inspection item | Value | |||
K value | 72 - 71 | 68 - 66 | 59 - 55 | |
Viscosity number | 135 - 127 | 118 - 107 | 86 - 73 | |
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 | |
Particle size | ≤2.0 | ≤ 2.0 | ≤ 2.0 | ≤ 2.0 |
≥90 | ≥ 90 | ≥ 90 | ≥ 90 | |
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 |