ABRO 2000 RTV Silicone Sealant is a general-purpose, economy-grade silicone sealant designed for sealing, bonding, and weatherproofing in both indoor and outdoor applications. It cures at room temperature to form a flexible, waterproof silicone rubber that adheres well to glass, metal, wood, ceramic, porcelain, painted surfaces, and rubber. It is available in cartridge form and commonly comes in clear, white, black, and grey.