Question: is rtv the same as silicone?
Answer: What does it mean when we say 100% RTV Silicone? ... 100% RTV silicone sealant is a completely pure product where extended silicone sealant is diluted. The Difference Between RTV Silicone Sealant And Extended Sealant. All rubber that cures at room temperature is considered RTV, but not all RTV is created equal.