China Factory Supply Paste PVC Resin K67 for Profile Pipe Tubes, Find details about China CPVC Resin, PVC Resin K67 from Factory Supply Paste PVC Resin K67 for Profile Pipe Tubes
Parameter | Grade | |||
Standard: GB5761-1993 | SG3 | SG5 | SG8 | |
Viscosity ml/g | 135-127 | 118-107 | 86-73 | |
K-Value | 72-70 | 67-65 | 59-55 | |
Average degree of Polymerization | 1300+/-50 | 1000+/-50 | 700+/-50 | |
Number of impurity particles ≤ | 16 | 16 | 20 | |
Volatile content (incl. water) % ≤ | 0.3 | 0.4 | 0.4 | |
Apparent density ≥ | 0.42 | 0.48 | 0.5 | |
Particle size | ≥ 0.25mm ≤ | 2 | 2 | 0.4 |
≥ 0.063mm ≥ | 95 | 95 | 95 | |
Number of Fish Eye (/400 cm2) ≤ | 20 | 20 | 30 | |
Plasticizer absorption of 100g resin ≥ | 26 | 19 | 22 | |
Whiteness (160°C, after 10 min.) % ≥ | 78 | 78 | 75 | |
VCM Residue PPM ≤ | 5 | 5 | 5 |