The Klean-Strip Bulldog Adhesion Promoter is a primer that helps paint adhere to clean surfaces. This is a superior long-term flex agent that is best used for both interior and exterior applications. It adheres to metals, rubber, fiberglass and all types of plastics. It is VOC compliant and is available in aerosol, quart or gallon sizes. The Bulldog Adhesion Promoter dries to a tack free clear finish and is effective for up to 24 hours. If the sprayed part is left overnight, you can apply the basecoat without an issue. This adhesion promoter is not only super fast but it is also a super effective, time saving, labor-reducing solution in the auto body repair market.