A mildew-resistant RTV silicone sealant. WHITE SIL is an excellent adhesive, sealant and caulk. It is ideally suited wherever a strong, permanently flexible weatherproof caulk, adhesive or sealant is needed. Excellent as an adhesive for bonding plastic and metal. Works well in high humidity, is mildew resistant, and won’t fade or discolor with aging. Fully cured WHITE SIL forms an extremely tough, rubbery solid like material.