PRO-SEAL 80066 RTV Silicone Sealant, Clear, 3 oz Tube ProSeal Clear RTV Silicone Sealant is a versatile solution for sealing, bonding, insulating, and caulking a variety of materials. It adheres to metal, glass, rubber, vinyl, leather, fabric, and even polished wood surfaces. This low-volatile formula is suitable for general-purpose use, including sealing windows, tail lamps, and insulating electrical components. It remains flexible after curing and is designed for both indoor and outdoor use.