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| PE100-RC Super Tough Polythylene Pipe Physical and Mechanical Properties | |||||
| No. | Performance | Unit | Requirement | Requirement | Requirement |
| 1 | Hydrostatic strength | h | No damage, no leakage | 20℃, 12.0MPa , ≥100h | GB/T 6111 |
| 80℃,5.4MPa,≥165h | |||||
| 80℃, 5.0MPa,≥1000h | |||||
| 2 | Elongation at break e≤5mm | % | ≥350b,c | type 2d 100mm/min | GB/T 8804.3 |
| Elongation at break 5mm<e≤12mm | type 1d 50mm/min | ||||
| Elongation at break e>12mm | type 1d 25mm/mintype 3d 10mm/min | ||||
| 3 | Slow crack growth resistance (pipe cone test)) en≤5mm | mm/48h | <1 | 80℃ | GB/T 19279 |
| 4 | Slow crack growth resistance (pipe notch test) en>5mm | h | failure time ≥8760 | 80℃,0.92MPa (test pressure) | GB/T 18476 |
| 5 | Full incision creep test(FNCT) | h | failure time ≥8760 | 80℃,4.0MPa,2% nonylphenol polyoxyethylene ether solution | DIN/PAS 1075 |
| 6 | Point load test | h | failure time ≥8760 | 0℃,4MPa,2% nonylphenol polyoxyethylene ether solution | DIN/PAS 1075 |
| 7 | Fast Crack growth resistance(RCP) | Mpa | Pcs≥MOP/2.4-0.072 | - | GB/T 19280 |
| 8 | Compression Recovery | - | Pcs≥MOP/2.4-0.072 | 0℃ | GB/T 15558.1-2015 |
| 9 | Thermal stability | min | >20 | 200℃ | GB/T 19466.6 |
| 10 | Thermal stability(MFR) | g/10min | change before and after processing <20% | 5kg,190℃ | GB/T 3682 |
| 11 | Longitudinal retraction (wall thickness ≤16mm) | % | ≤3,no surface damage | 110℃,200mm,1h | GB/T 6671 |
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