CRC Grey RTV Gasket Sensor Safe is formulated for high torque applications (predominantly Japanese designs) and has an intermittent service temperature of up to 330°C. CRC Grey RTV Gasket Sensor Safe is a self-forming room temperature vulcanising Silicone that replaces almost any cut gasket, felt, cork, paper, asbestos and rubber gaskets. No gasket sealers are required - the pure silicone rubber forms to any size and shape quickly. CRC Grey RTV Gasket Sensor Safe features low odour and is non-corrosive with excellent oil resistance. It resists migrating caused by thermal cycles, cracking, shrinking and vibration and is highly resistant to auto and shop fluids. Do not use as a head gasket, not suitable for stove pipes or in fireplaces.