... Wheel performance characteristics1.Polyurethane, elastomer wheel has high bearing capacity, resilience rate excellent tensile strength, tear strength ... elastic memory.Urethanes have replaced metals in sleeve bearings, wear plates, sprockets, rollers and various other ... liners, Prototype machined parts, Gaskets, Seals, Rollers, Roller covers, Sandblast curtains, diaphragms.Test Equipment of Polyurethane ...