DESC: PERMATEX Ultra silicones were developed to meet today’s technology changes. Sensor-safe low odor non-corrosive. Outstanding oil resistance and joint movement values. Eight times more flexible than cork/composite gaskets; three times more oil resistant than conventional silicones. Temper-ature range -75°F to 500°F intermittent; resists auto and shop fluids and vibration. Suggested Applications: Valve covers oil pans timing covers transmission pans differential covers.