China PVC Resin Powder K70 CAS No. 9002-86-2 Zhongtai PVC, Find details about China Plastic Raw Material, PVC from PVC Resin Powder K70 CAS No. 9002-86-2 Zhongtai PVC
Suspension Grade | SG1 | SG2 | SG3 | SG4 | SG5 | SG6 | SG7 | SG8 |
K value | 77-75 | 74-73 | 72-71 | 70-69 | 68-66 | 65-63 | 62-60 | 59-55 |
Viscosity, ml/g | 156-144 | 143-136 | 135-127 | 126-119 | 118-107 | 106-96 | 95-87 | 86-73 |
Average polymerization | 1350-1250 | 1250-1150 | 1100-1000 | 950-850 | 950-850 | 750-650 | ||
Number of impurity particle≤ | 30 | 30 | 30 | 30 | 30 | 30 | 40 | 40 |
Appearing density g/ml≥ | 0.42 | 0.42 | 0.42 | 0.42 | 0.42 | 0.45 | 0.45 | 0.45 |
Residual after sieve 0.25mm mesh≤ | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 |
0.063mm l≥ | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
Number of grain/400cm2≤ | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
Plasticizer absorbency value of 100g resin | 25 | 25 | 25 | 22 | 19 | 16 | 14 | 14 |
Whiteness %,≥ | 74 | 74 | 74 | 74 | 74 | 74 | 70 | 70 |
Residual chlore thylene content mg/kg≤ | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |