good quality PVC resin polyvinyl chloride K66 K67
Description:
|
Item
|
Standard
|
Result
|
|
K value
|
68-66
|
67
|
|
Viscosity, ml/g
|
118-107
|
111
|
|
Average polymerization
|
1100-1000
|
1080
|
|
Number of impurity particle≤
|
16
|
12
|
|
Volatiles content %,≤
|
0.40
|
0.35
|
|
Appearing density g/ml≥
|
0.42
|
0.50
|
|
Residual after sieve 0.25mm mesh≤
|
2.0
|
0.16
|
|
0.063mm l≥
|
90
|
97.52
|
|
Number of grain/400cm2≤
|
20
|
15
|
|
Plasticizer absorbency value of 100g resin
|
19
|
19.10
|
|
Whiteness %,≥
|
80
|
83
|
|
Residual chlore thylene content mg/kg≤
|
5
|
3
|
|
Ethylidene chloride mg/kg≤
|
50
|
140
|
|
Appearance
|
white powder
|
white powder
|
Product packaging:
