Dow Corning 736 heat resistant sealant is a one-part, nonslumping paste that cures to a rubbery solid at room temperature on exposure to water vapor in the air. It can be used for numerous sealing and bonding applications. - This silicone product is formulated to perform at temperatures ranging from -65 to 260 °C (-85 to 500 °F) for continuous operation and to 315 °C (600 °F) for intermittent exposure.