... unique material that offers the elasticity of rubber combined with the toughness and durability of metal. It allows the engineer ... cost.2. What is the advantage of polyurethane?Urethanes have better abrasion and tear resistance than rubbers, while ... mounts, Cutting Surfaces, Sound-dampening pads, Chute and hopper liners, Prototype machined parts, Gaskets, Seals, Rollers, Roller covers, Sandblast ...