1.The graphite gasket made from graphite reinforce sheet and can be processed to be internal ring and external ring .The general thickness is 1.5mm, 3.0mm, 2.0mm, 4.0mm . 2. Application: It has very good sealing performance, low preloaded pressure, and not sticking to the flange sealing surface; used in the flange surface sealing of pipeline, valve, pump, pressure containers, heat exchanger, and ...