BOSS 200 Multi Seal Truck, Bus and Auto is a new sealant formulated with USP Technology to take the place of most traditional sealants. It is designed to resist all of the on-the-road flexing and vibration. BOSS 200 is fast curing and provides permanent elastic adhesion to most surfaces. BOSS 200 is paintable within 30 minutes with most paints. BOSS 200 Multi Seal cures on exposure to atmospheric moisture to form a durable flexible seal. It has been formulated to offer outstanding primerless adhesion to all basic substrates found in the transportation market, such as steel, aluminum, glass, vinyl and wood. It can be applied and tooled in almost all weather conditions.