A breakthrough in both heat and chemical resistance, Thermiculite Critical Service materials are rated for temperatures up to 1800ºF and have passed the API 607 fire test.
Conventional graphite gaskets are susceptible to attack by oxidizing agents. This occurs from oxygen flowing through pipes, or simply from oxygen present in the atmosphere surrounding the flange. The rate at which graphite oxidizes depends on the application temperature and the concentration of oxygen present. But when it does happen – the end result is seal failure.
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