POLYVINYL CHLORIDE RESIN

1

K   value

65-68

2  

Impurity of ion number                  

≤30

3

Purity of volatiles including   water   

≤0.4

4

Apparent density ，g/ml           

≥0.45

5

Residue   on sieve  %

0.25mm   sieve     

≤2

0.063mm   sieve    

≥90

6

Mesh   number  per/400cm2        

≤20

7

Plasticizer absorption of PVC of   100g  

≥19

8

whiteness（160℃，10min later ）%

≥80

9

Water   extract conductivity S/m     

--

10

Residual   chlorethylene ，ppm     

≤5