PVC S-700
Performance itemsTest conditiontest methodtest dataData unitTop gradeclass aqualifiedBasic performanceApparent density------0.52～0.620.52～0.620.52～0.62g/mlOther performanceVolatiles------≤0.4≤0.4≤0.4（
- Model：
Performance items | Test condition | test method | test data | Data unit | |||
Top grade | class a | qualified | |||||
Basic performance | Apparent density | --- | --- | 0.52～0.62 | 0.52～0.62 | 0.52～0.62 | g/ml |
Other performance | Volatiles | --- | --- | ≤0.4 | ≤0.4 | ≤0.4 | （m/m）% |
Specific viscosity | --- | --- | 0.262～0.293 | 0.262～0.293 | 0.262～0.293 | --- | |
Average degree of polymerization | --- | --- | 650～750 | 650～750 | 650～750 | --- | |
Plasticizer absorption | --- | --- | ≥14 | ≥14 | ≥14 | （m/m）% | |
Residual VCM | --- | --- | ≤10 | ≤10 | - | ppm | |
Particle size distribution pore | More than 350 μ m mesh | --- | ≤0.1 | ≤0.1 | ≤0.1 | % | |
Particle size distribution pore | Passing through 149 μ m sieve | --- | 35～95 | 30～95 | - | % | |
fisheye | --- | --- | ≤50 | ≤50 | ≤50 | Piece / 100cm2 | |
impurity | --- | --- | 50 | 100 | - | Capsules / 100g | |
thermal stability | --- | --- | qualified | qualified | qualified | --- | |