J B Weld J-B Weld 32325 Ultimate Copper High Temperature RTV Silicone Gasket Maker and Sealant - 3 oz.

Features and Benefits:

• J-B Weld Ultimate Copper High Temperature RTV Silicone Gasket Maker and Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material that is 3 times more oil resistant than conventional silicones and designed to resist the high operating temperatures of turbocharged or high-performance engines. Ultimate Copper is effective in temperatures from -75°F to 700°F intermittent. Upon curing; which occurs when the product is exposed to the moisture in air; the silicone forms a tough; waterproof seal on most surfaces. It will not shrink or crack; resists weathering; is sensor safe and is great for many automotive applications.



Sensor safe RTV silicone gasketing material designed for use on high temperature turbocharged or high-performance engines. 3 times more oil resistant than conventional silicones. Temperature range of -75°F to 700°F intermittent. Sets in 1 hour and will not shrink or crack.