100% Silicone Clear BioSeal

100% Clear Silicone  A one component, permanently flexible, 100% RTV (Room Temperature Vulcanizing) silicone sealant that is the industry standard. The tough chemical resistance makes it a worry free solution.  - Neutral Cure - Anti-Corrosion / Low Odor - Excellent Adhesion - Heat & Weather Proofing - Permanently Flexible - Indoor & Outdoor Applications - 50 year High performance, neutral cure silicone  sealant. Highly weather resistant and excellent sealing & adhesion properties to make it suitable for use on wood,plastic, aluminum, concrete and a wide variety of construction materials and applications. What is the difference between RTV silicone and silicone? An RTV (Room Temperature Vulcanization) silicone sealant is a sealant that begins to cure immediately upon being exposed to air (specifically the moisture present in the air), as opposed to water based sealants such latex.