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| mechanical properties | Test Condition | Test Method | SINOPEC GUANGZHOU/PPR-4220 |
|---|---|---|---|
| elongation | Break | GB 1040 | 350(770) % |
| Impact strength of cantilever beam gap | 0℃ | GB 1843 | 18 KJ/m |
| Elongation at Break | GB 1040 | 33 Mpa | |
| tensile strength | Yield | GB 1040 | 28 Mpa |
| Rockwell hardness | GB 9342 | 76 R | |
| Bending modulus | GB 9341 | 650 Mpa | |
| bending strength | GB 9341 | 19 Mpa | |
| Impact strength of cantilever beam gap | -20℃ | GB 1843 | 5 KJ/m |
| Basic Performance | Test Condition | Test Method | SINOPEC GUANGZHOU/PPR-4220 |
| melt mass-flow rate | GB 3682 | 0.30 g/10min | |
| density | GB 1033 | 0.9013 | |
| thermal performance | Test Condition | Test Method | SINOPEC GUANGZHOU/PPR-4220 |
| Hot deformation temperature | HDT | ASTM-D648 | 78 °C |
| Vicat softening temperature | BG 1633 | 131 °C | |
| Melting temperature | ASTM-D3418 | 143 °C | |
| Linear coefficient of thermal expansion | 0～110℃ | 1.5*10 K |