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分类: HDPE（高密度聚乙烯）
| Pipe Grade | Unit | Test Method | Pipe Grade |
|---|---|---|---|
| Color | Visual Estimation | Natural | |
| Density | g/cm3 | ASTM D792 | 0.95 |
| Melt Index | g/10min | ASTM D1238 | 1.8 (190℃,5kg) |
| Tensile strength at yield | kgf/cm2 | ASTM D638 | 230 |
| Tensile strength at break | kgf/cm2 | ASTM D638 | 240 |
| Elongation at break | % | ASTM D638 | 250 |
| Izod impact strength(notched) | kg-cm/cm | ASTM D256 | 18 |
| Hardness | Shore D | ASTM D2240 | 66 |