Inorganic fiber gasket offers excellent thermal stability with minimal weight loss »Reduced creep relaxation and increased torque enhancement provide optimal sealability Temperature resistance» Non-oxidation resistance withstand continuous operating temperatures of up to 550 ̊F (290 ̊C), and maximum surge 800 800F (425 ̊C) »Style 5500 has passed from Garlock Fire Test and ABS Fire Safe Type Appro