Dynatex® Grey GTX Multi-Seal Adhesive Sealant takes the place of most traditional sealants and is designed to resist all of the, on-the-road flexing and vibration. The fast curing GTX provides permanent elastic adhesion to a number of surfaces with excellent elasticity. It cures on exposure to atmospheric moisture to form a durable flexible seal and it has been formulated to offer outstanding primer-less adhesion to all basic substrates found in the transportation market, such as steel, aluminum, glass, vinyl, and wood.