| OD (mm) | Thickness (mm) | Tolerance (mm) | OD (mm) | Thickness (mm) | Tolerance(mm) | OD (mm) | Thickness(mm) | Tolerance(mm) |
| 16 | 2.0 | 0.3 | 20 | 2.0 | 0.3 | 25 | 2.3 | 0.3 |
| 16 | 2.2 | 0.3 | 20 | 2.3 | 0.3 | 25 | 2.8 | 0.3 |
| 20 | 2.8 | 0.3 | 25 | 3.5 | 0.3 | |||
| OD (mm) | Thickness (mm) | Tolerance (mm) | OD (mm) | Thickness (mm) | Tolerance(mm) | |||
| 32 | 2.9 | 0.3 | 40 | 3.7 | 0.4 | |||
| 32 | 3.6 | 0.3 | 40 | 4.5 | 0.4 | |||
| 32 | 4.4 | 0.3 | ||||||
| Item | Index | |||
| Melt Mass Flow Rate(190ºC,216kg)g/10min | Changing rate≤30% of raw material | |||
| Density | 0.933-.0937 | |||
| Vicat softening TemperatureºC | 119.5-123 | |||
| Tensile Yield Strength kg/cm3 | 154-190 | |||
| Tensile Breaking Strength kg/cm3 | 350-419 | |||
| Percentage elongation at break | 730 | |||
| Shore Hardness D | 53-56 | |||
| Oxidation induction time(210ºC/min) | 108 | |||
| Melt Point | 124.4 | |||
| ESCR hr | ≥12000 | |||
| Longitudinal reversion | Test Temperature | Test Pressure | Time(H) | |
| 1 | <3(en≤8mm) | |||
| 110 ºC | --- | 2 | <3(8mm ≤ 16mm) | |
| 3 | <3(en8mm) | |||
| Hydrostatic Test | 20 | 10.00 | 1 |
NO leakage
NO cracking |
| 90 | 3.55 | 165 | ||
| 95 | 3.50 | 1000 | ||
| Thermal Stability Test | 110 | 1.9 | 8760 | |