Polyvance has specialized in the manufacture of products for the repair of automotive plastics since 1981. Formerly known as Urethane Supply Company, Polyvance invented the airless plastic welder that revolutionized thermoset polyurethane repair back in the 1980's. Its Bumper & Cladding Coat Adhesion Primer is the industry's most trusted independent brand for paint adhesion to raw PP and TPO bumpers. In 2006, Polyvance was the first company to introduce nitrogen plastic welding to the automotive collision repair industry.