Polyvinyl Chloride Resin/ PVC resin | SG3 | SG5 | SG8 |
Quality standard | GB5761-93 |
Inspection item | Guaranteed 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 |