| Item | Guide line | Test Result | ||
| K value | 66-68 | 67 | ||
|
Quantity of impurities and foreign matters pieces (≤) |
Top grade:16 First grade:30 |
12 | ||
|
Weight fraction of moisture and volatiles %, (≤) |
Top grade:0.40 First grade:0.40 |
0.10 | ||
|
Bulk denstiy g/ml (≥) |
Top grade:0.45 First grade:0.42 |
0.54 | ||
|
Fish eye’defects IN 400C㎡ (≤) |
Top grade:20 First grade:40 |
12 | ||
|
VCM residuals μ g/g (≤) |
Top grade:8 First grade:10 |
1 | ||
|
A residue after sieving on a sieve with mesh size: |
0.25mm (≤)% |
Top grade:2.0 First grade:2.0 |
A residue after sieving on a sieve with mesh size: |
0.25mm (≤)% 0.063mm (≥)% |
|
0.063mm (≥)% |
Top grade:90 First grade:90 |
99 | ||
|
Plasticizer absorption rate, g/100g of PVC (≥) |
Top grade:20 First grade:19 |
21 | ||
| Colour (≥) | 78 | 87 | ||
| Conclusion | Top grade | |||
