China Lowest Price PVC Resin K57 K66 K67 K70, Find details about China PVC Resin Price, Polyvinyl Chloride Resin from Lowest Price PVC Resin K57 K66 K67 K70
Parameter | Grade | ||||
Standard: GB/T 5761-2006 | SG3 | SG5 | SG7 | SG8 | |
K - Value | 72 - 71 | 66 - 68 | 62 - 60 | 59 - 55 | |
Polymerizing Index | 1300 +/-50 | 1000 +/-50 | 800 +/-50 | 700 +/-50 | |
Number of impurity particles≤ | 16 | 16 | 20 | 20 | |
Volatile content (incl. water) %≤ | 0.30 | 0.40 | 0.40 | 0.40 | |
Apparent density ≥ | 0.42 | 0.48 | 0.48 | 0.50 | |
Particle size | ≥ 0.25mm≤ | 2.0 | 2.0 | 2.0 | 0.4 |
≥ 0.063mm≥ | 95 | 95 | 95 | 95 | |
Number of Fish Eye (/400 cm2)≤ | 20 | 20 | 30 | 30 | |
Plasticizer absorption of 100g resin ≥ | 26 | 19 | 12 | 22 | |
Whiteness (160°C, after 10 min.) % ≥ | 78 | 78 | 75 | 75 | |
VCM Residue PPM≤ | 5 | 5 | 5 | 5 |