... PU) is a unique material that offers the elasticity of rubber combined with the toughness and durability of metal. It ... allows the engineer to replace rubber, plastic and metal with the ultimate in abrasion resistance ... .4. ApplicationsBelts, Metal forming pads, Wear strips, Bumpers, Gears, Bellows, Machinery mounts, Cutting Surfaces, Sound-dampening pads, Chute and hopper ...