Able to withstand temperature up to 925°F and pressure up to 2,000 psi, Durlon® 8900 has been thoroughly tested, passing API 607, 6th Edition Fire Test with zero leakage. Premium-grade, compressed non-asbestos gasket material contains high-strength fibers and graphite fillers bonded with nitrile synthetic rubber. Rubber level is optimized to obtain flexible sheet with good cutting properties without compromising physical properties in extreme heat and harsh conditions.