GP Silicone Sealant BOSS 122 RTV Silicone Sealant is an one part acetoxy cure adhesive sealant that is suitable for general construction sealing and adhesive applications. This product will adhere to clean metal, glass, many types of wood, silicone resins, vulcanized silicone rubber, ceramics and plastic surfaces. A primer may be required for optimum adhesion to some substrates. Cured sealant stays rubbery from -60°F to 400°F. BOSS 122 RTV silicone sealants ideally suited for sealing , glass windows, shopfront, aluminium joints, showcases, bus body building and automobiles. BENEFITS: Ease of use, one-part sealant, no mixing required. Good weatherability Virtually unaffected by sunlight, rain, ozone, and temperature extremes. Long life reliability, cured sealant stays rubbery from -25 to 110°C without tearing, cracking, drying out, or becoming brittle. Wide temperature gunnability can be applied in any season.