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 |