Permatex Windshield and Glass Sealer by ITW Brands is a high-performance silicone sealant designed to provide a strong, waterproof, and durable clear seal. Its unique wicking action allows it to seek out leaks by flowing into hidden and hard-to-reach areas, effectively filling surface voids and irregularities. This versatile sealer withstands harsh weather conditions, extreme temperatures ranging from -80°F to 450°F, vibration, shock, and most shop chemicals. It is i for sealing windshields, sunroofs, windows, headlamp assemblies, marine glass, RV vents, and windows. Packaged in a convenient 1.5 fl. oz. tube, this product ensures reliable protection and long-lasting performance for a variety of sealing applications. Model Number: 81730