Offers plastic repair and refinishing products suitable for street bikes, bumpers, boats, and autos.Urethane Supply Company - Plastic Repair and Plastic Welders Urethane Supply Company - Plastic Repair and Plastic Welders Urethane Supply Company has everything needed to repair and refinish plastics. From plastic welders to instant glues to epoxy fillers to paints to primers, you name it. Some of our products that you may be familiar with are: Mini-Weld Airless Plastic Welder, Plastic Magic Adhesion Promoter, PlatiFix plastic repair kit (not to be confused with Plastex plastic repair kit), Bump