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Material Comparison
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Product Name / Manufacturer / Model
Grade
Reference Price
| mechanical properties | Test Condition | Test Method | PETROCHINA LANZHOU/DFDA-7042 |
|---|---|---|---|
| tensile strength | Yield | ≥8 Mpa | |
| Break | ≥12 Mpa | ||
| Basic Performance | Test Condition | Test Method | PETROCHINA LANZHOU/DFDA-7042 |
| density | 优等品 | 920±2 kg/m3 | |
| Cleanliness | 合格品 | ≤30 分/kg | |
| melt mass-flow rate | 一等品 | 2.0±0.4 g/10min | |
| 优等品 | 2.0±0.4 g/10min | ||
| density | 合格品 | 920±3 kg/m3 | |
| Cleanliness | 优等品 | ≤10 分/kg | |
| melt mass-flow rate | 合格品 | 2.0±0.6 g/10min | |
| Cleanliness | 一等品 | ≤15 分/kg | |
| density | 一等品 | 920±2 kg/m3 | |
| Other performance | Test Condition | Test Method | PETROCHINA LANZHOU/DFDA-7042 |
| Particle size distribution | 优等品 | ≥+10 级 | |
| 合格品 | ≥-30 级 | ||
| 一等品 | ≥-10 级 | ||
| optical performance | Test Condition | Test Method | PETROCHINA LANZHOU/DFDA-7042 |
| turbidity | ≤15 % |