China White Powder Polyvinyl Chlorid Sg-5 PVC Resin K-67, Find details about China PVC Resin, PVC Resin Sg5 from White Powder Polyvinyl Chlorid Sg-5 PVC Resin K-67
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 |