coating classify 1.PU Coating: Steel Coated with PU, 2.Bearing Coated With PU, 3.Plastic Coated with PU, 4.Rubber Coating PU Coating: Steel Coated with PU, Bearing Coated With PU, Plastic Coated with PU, Rubber Coating Roller: PU Roller, Rubber Roller Liner: Grinding Machine Inner Liner, Tube Inner PU Coating 1. Text: Polyurethane rollers are with high strength, compressive strength, abrasion ...