ADOS Red Gasket 260 is formulated for heavy duty, high temperature applications with a continuous service temperature of up to 260°C. ADOS Red Gasket 260 is a self-forming room temperature vulcanising Silicone that replaces felt, cork, paper, asbestos and rubber gaskets. No gasket sealers are required the pure silicone rubber forms to any size and shape quickly. ADOS Red Gasket 260 resists migrating caused by thermal cycles, cracking, shrinking and vibration. It is ideal for high temperature, high pressure applications, it will remain flexible and durable. ADOS Red Gasket 260 is NOT recommended for use on copper and brass. Do not use as a head gasket, not suitable for stove pipes or in fireplaces.