... surface 1. What is polyurethane?Polyurethane (commonly abbreviated PU) is a unique material that offers the elasticity ... bearings, wear plates, sprockets, rollers and various other parts, with benefits such as weight reduction, noise abatement ... pads, Chute and hopper liners, Prototype machined parts, Gaskets, Seals, Rollers, Roller covers, Sandblast curtains, diaphragms. PU gear, PU gasket, PU parts