Sil Bond 4500 RTV Sealant – Clear & Durable Are you searching for a reliable and durable clear silicone sealant? Check out Sil Bond 4500 RTV Sealant. This high-strength, one-component room temperature vulcanizing (RTV) silicone sealant is especially formulated to offer exceptional adhesion, weatherability, and UV stability. With Sil Bond 4500, you can create waterproof and airtight bonds on a …