The toughest plastic in routine industrial use — UHMW-PE resists abrasion better than carbon steel in many sliding applications, absorbs impact that would shatter Delrin, and slides on itself with very low friction. Used for chute liners, conveyor wear strips, and food-handling equipment (FDA-compliant grades). Low strength limits structural applications.
Outwears carbon steel in many slurry and particulate-flow applications — chute liners, hopper linings, coal conveyors.
Retains toughness to −200 °C. Used in cryogenic bumpers and cold-chain packaging.
Nothing sticks to UHMW — ice, food, slurries all slide off. FDA-compliant grades for food contact.
| Element | Content |
|---|---|
| Ultra-high-molecular-weight PE | 100% |
| Molecular weight | 3.5–7.5 million g/mol (vs ~0.2M for HDPE) |
Composition per ASTM D4020. Specific mill test reports (MTR) available on request for production orders.
Under sustained load, UHMW deforms indefinitely. Limit bearing loads to ~3 MPa for continuous service.
Non-stick property prevents standard adhesive bonding. Mechanical fastening or heat-welding (rarely).
UHMW gums on dull tools. Use high positive rake carbide with fast feeds to produce clean chips — slow feeds cause melting.
Full DFM review by a mechanical engineer. No automated bot rejection. FOB Ningbo or DDP to your door.