UHMW stands for Ultra-High-Molecular-Weight Polyethylene. It’s a type of thermoplastic polymer known for its:
Extremely high abrasion resistance
Low coefficient of friction (very slippery)
High impact strength
Excellent chemical resistance
Non-stick and self-lubricating properties
UHMW is often used in applications like conveyor systems, chute liners, marine docks, medical devices, and bulletproof vests due to its durability and wear resistance.
It is considered a superior bushing material in many applications because of these key properties:
Low Friction: Its naturally slick surface reduces wear between moving parts, minimizing the need for lubrication.
High Wear Resistance: It resists abrasion better than many metals and plastics, making it ideal for high-cycling or gritty environments.
Impact Resistance: UHMW can absorb repeated shocks without cracking or deforming, especially in heavy-load or vibrating equipment.
Chemical Resistance: It holds up well in harsh chemical environments where metals might corrode.
Self-Lubricating: Reduces maintenance needs since it doesn’t require additional lubricants in many conditions.
Quiet Operation: It dampens noise and vibration, which is beneficial in machinery or conveyor systems.