In the quest for materials that combine exceptional durability with versatility across extreme conditions, Ultra-High Molecular Weight Polyethylene (UHMWPE) emerges as a groundbreaking solution. This advanced engineering plastic boasts a unique molecular structure that delivers unparalleled performance advantages, making it an ideal choice for enhancing product competitiveness.
As its name suggests, UHMWPE possesses an exceptionally high molecular weight, granting it properties that far surpass conventional polyethylene. The material demonstrates outstanding impact resistance, excellent corrosion resistance, and near-zero water absorption. Notably, UHMWPE also exhibits remarkable wear resistance, non-stick properties, and self-lubricating characteristics, distinguishing it in numerous industrial applications.
UHMWPE's exceptional properties enable widespread use across multiple sectors:
The following table presents comprehensive material property data for UHMWPE:
| Property | Unit | Metric | Imperial |
|---|---|---|---|
| General Properties | |||
| Density | kg/m³ | 931 - 949 | - |
| lb/in³ | - | 0.034 | |
| Mechanical Properties | |||
| Yield Strength | Pa | 2.14e7 - 2.76e7 | - |
| ksi | - | 3.1 - 4.0 | |
| Tensile Strength | Pa | 3.86e7 - 4.83e7 | - |
| ksi | - | 5.6 - 7.01 | |
| Elongation | % strain | 3.5 - 5.25 | 350 - 525 |
| Hardness (Vickers) | Pa | 6.28e7 - 8.14e7 | - |
| HV | - | 6.4 - 8.3 | |
| Impact Strength (Notched) | J/m² | 9.52e4 - 1.05e5 | - |
| ft.lbf/in² | - | 45.3 - 50 | |
| Fracture Toughness | Pa/m^0.5 | 1.72e6 - 5.16e6 | - |
| ksi/in^0.5 | - | 1.56 - 4.69 | |
| Young's Modulus | Pa | 8.94e8 - 9.63e8 | - |
| 10^6 psi | - | 0.13 - 0.14 | |
| Thermal Properties | |||
| Maximum Service Temperature | °C | 110 - 130 | - |
| °F | - | 230 - 266 | |
| Melting Temperature | °C | 125 - 138 | - |
| °F | - | 257 - 280 | |
| Electrical Insulation | Insulator | Insulator | |
| Specific Heat Capacity | J/kg °C | 1.75e3 - 1.81e3 | - |
| BTU/lb. °F | - | 0.418 - 0.432 | |
| Thermal Expansion Coefficient | strain/°C | 2.34e-4 - 3.6e-4 | - |
| µstrain/°F | - | 130 - 200 | |
| Environmental Properties | |||
| CO₂ Emissions | kg/kg | 3.16 - 3.49 | 3.16 - 3.49 |
| Recyclability | Yes | Yes | |
Partnering with an experienced UHMWPE supplier with technical expertise proves critical for optimal material performance. Such partners can provide not only high-quality materials but also customized solutions tailored to specific application requirements.