China White Powder Color Suspension PVC Resin K67 for Pipes, Find details about China PVC Resin K67, PVC Resin K67 for Pipes from White Powder Color Suspension PVC Resin K67 for Pipes
Grade: | SG3 | SG5 | SG7 | SG8 | |
K value | 72-71 | 68-66 | 62-60 | 59-55 | |
Viscosity, ml/g | 135-127 | 118-107 | 95-87 | 86-73 | |
Average polymerization | 1350-1250 | 1100-1000 | 950-850 | 750-650 | |
Number of impurity particle max | 30 | 30 | 40 | 40 | |
Volatiles content % max | 0.4 | 0.4 | 0.4 | 0.4 | |
Appearing density g/ml min | 0.42 | 0.42 | 0.45 | 0.45 | |
Residual after sieve | 0.25mm mesh max | 2 | 2 | 2 | 2 |
0.063mm min | 90 | 90 | 90 | 90 | |
Number of grain/400cm2 max | 40 | 40 | 40 | 40 | |
Plasticizer absorbency value of 100g resin | 25 | 19 | 14 | 14 | |
Whiteness % min | 74 | 74 | 70 | 70 | |
Residual chlorethylenecontent mg/kg max | 5 | 5 | 5 | 5 | |
Ethylidene chloride mg/kg max | 150 | 150 | 150 | 150 |