AS brand SG3,5,7,8 pvc polyvinyl chloride
Product description
AS brand SG3,5,7,8 pvc polyvinyl chloride
1, Application:
PVC mainly used for pipe and windows structural section, Also can be used for electric insulation material, tubes, artificial leather.
PVC SG5 is general type. main used for pipe and windows structural section. also It can be used for electric insulation material, tubes, artificial leather.
2, Class: PVC SG3, SG5, SG7, SG8
3, Specification:
No. | Item | Specification |
1 | K Value | 66-68 ml/g |
2 | Impurity and foreign matters pieces | max. 16 |
3 | Weight fraction of moisture and volatiles | max. 0.4% |
4 | Bulk density | min. 0.48 g/ml |
5 | Fish eye defects/400 C | max. 20 |
6 | CVM residuals | max. 5 μg/g |
7 | a residue after sieve with mesh size (on 0.25mm) | max. 2% |
8 | a residue after sieve with mesh size (on 0.063mm) | min. 95% |
9 | Plasticzer absorption rate, g/100g of PVC | min. 19 |
10 | Whiteness | min. 78 |
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