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Heat-resistant polyethylene (PE-RT) pipe
A floor heating pipe with a wall thickness of 2 mm has a burst pressure of 30-35kg when the temperature is 20 degrees, and a burst pressure of 14-16kg when the temperature is 95 degrees. A floor heating pipe with a wall thickness of 2.3 mm has a higher burst pressure value in the same temperature environment.
| Main physical and mechanical performance indicators of heat-resistant polyethylene (PE-RT) pipe fittings | |||||
| project | Test ring stress MPa | Test temperature℃ | Test time h | Test results | |
| Longitudinal retraction rate | — | 110 | 1 | 1.16 | |
| Roundness | 0.3 | ||||
|
Hydrostatic test |
10 | 20 | 1 | No rupture | |
| 3.55 | 95 | 165 | No leakage | ||
| 3.5 | 95 | 1000 | |||
A floor heating pipe with a wall thickness of 2 mm has a burst pressure of 30-35kg when the temperature is 20 degrees, and a burst pressure of 14-16kg when the temperature is 95 degrees. A floor heating pipe with a wall thickness of 2.3 mm has a higher burst pressure value in the same temperature environment.
| Thermal stability test under hydrostatic conditions | 1.9 | 110 | 8760 | No rupture |
| No leakage | ||||
| Melt mass flow rate, MFR (190℃, 2.16kg) g/10min | Change rate ≤ 30% of raw materials | |||
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