| About |
|---|
| UHMW-PE powder for high filler compounds or porous applications – special morphology, low bulk density&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | Ultra-high molecular weight polyethylene |
| Material Status | Commercial: Active |
| Features | High impact resistance,High molecular weight,Good wear resistance,HB |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| — | 0.928 | g/cm³ | ASTM D792 |
| — | 0.930 | g/cm³ | ISO 1183 |
| Viscosity number | 2100 | cm³/g | ISO 307 |
| Elongational Stress F（150/10） | 0.220 | MPa | ISO 1152-2 |
| Intrinsic viscosity | 19 | dl/g | ISO 1628-3 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 无断裂 | ISO 179/1eA | |
| 23℃ | 无断裂 | ISO 179/1eA | |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 无断裂 | ISO 179/1eU | |
| 23℃ | 无断裂 | ISO 179/1eU | |
| Charpy impact strength | 170 | kJ/m² | ISO 1152-2 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 65.0 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 41.0 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | |||
| B50 | 80.0 | ℃ | ASTM D1525 , ISO 306/B50 |
| Linear coefficient of thermal expansion | |||
| MD | 2.0E-4 | 1/℃ | ASTM D696，ISO 11359-2 |
| specific heat | |||
| 23℃ | 1840 | J/kg/℃ | Internal Method |
| Thermal conductivity coefficient | |||
| 23℃ | 0.41 | W/m/K | Internal Method |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | |||
| — | > 1.0E+13 | ohms | ASTM D257 |
| — | > 1.0E+12 | ohms | IEC 60093 |
| Volume resistivity | |||
| — | > 1.0E+15 | ohms·cm | ASTM D257 |
| — | > 1.0E+14 | ohms·cm | IEC 60093 |
| Dielectric strength | 45 | kV/mm | IEC 60243-1 |
| Dielectric constant | |||
| 1 MHz | 3.00 | ASTM D150 , IEC 60250 | |
| 100 Hz | 2.10 | IEC 60250 | |
| Dissipation factor | IEC 60250 | ||
| 100 Hz | 3.9E-4 | IEC 60250 | |
| 1 MHz | 1.0E-3 | IEC 60250 | |
| Compared to the leakage tracing index | 600 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.60 mm | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 63 | ASTM D2240 | |
| Shore D, 15 seconds | 60 | ISO 868 | |
| Ball hardness | 38.0 | MPa | ISO 2039-1 |
| Tensile modulus | |||
| 23℃ | 703 | MPa | ASTM D638 |
| — | 770 | MPa | ISO 527-2/1A/1 |
| tensile strength | |||
| Yield, 23 ℃ | 21.4 | MPa | ASTM D638 |
| yield | 21.0 | MPa | ISO 527-2/1A/50 |
| Tensile strain | |||
| Yield, 23 ℃ | > 350 | % | ASTM D638 |
| yield | 13 | % | ISO 527-2/1A/50 |
| Nominal tensile fracture strain | > 50 | % | ISO 527-2/1A/50 |
| Tensile creep modulus | ISO 899-1 | ||
| 1 hr | 550 | MPa | ISO 899-1 |
| 1000 hr | 270 | MPa | ISO 899-1 |
| friction coefficient | |||
| Steel – Dynamic | 0.10 | Internal Method | |
| Wear by Sandslurry Method | 100 | Internal Method | |
| Wear amount | 100 | Internal Method |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. PE and PP |
| 3. Margolies’ Equation |
| 4. Laser scattering |
| 5. based on GUR 4120=100 |
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