Permatex Ultra Copper. The most advanced, high temperature RTV silicone gasket available. Sensor safe, low odor, noncorrosive. Superior adhesion. Temperature range -75 deg. F. to 700 deg. 3 oz tube.
Permatex 81878 Ultra Copper Maximum Temperature RTV is ideal for high-temperature brazing, soldering, and welding applications requiring exceptional strength and durability.
