Ultra-high-molecular-weight polyethylene (UHMWPE) is a linear polyethylene with an exceptionally long polymer chain, distinguished by its outstanding impact resistance, low friction, and superior abrasion wear characteristics compared to conventional polyethylene and many alternative polymers. It is widely deployed in orthopedic implants (joint bearings and acetabular cups), industrial wear applications (conveyor systems, chute liners, pump components), and marine/food processing equipment where its combination of chemical inertness, self-lubricating properties, and toughness provides extended service life and reduced maintenance.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Strength(σc) | 43.42 | MPa | — | ||
Elongation at Break(εf) | 219.1 | - | — | ||
Flexural Strength (MOR)(σf) | 47.80 | MPa | — | ||
Hardness (Vickers)(HV) | 133.7 | HV | — | ||
Ultimate Tensile Strength(σUTS) | 65.15 | MPa | — | ||
Young's Modulus(E) | 15.16 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Glass Transition Temperature(Tg) | 178.8 | K | — | ||
Melting Point / Solidus(Tm) | 409.4 | K | — | ||
Maximum Service Temperature(Tmax) | 723 | K | — | ||
Thermal Conductivity(k) | 9.806 | W/(m·K) | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.265 | eV | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Refractive Index(n) | 1.500 | - | — |