This product is punched or cut from reinforced expanded graphite sheet, with excellent corrosion resistance, high and low temperature resistance, good compression resilient and high intensity. All kinds of circular, complicated geometric gaskets are widely used in pipes, valves, pumps, pressure vessels, thermal exchangers, condensers, engines, air compressors, exhaust tubes, and refrigerating machines.Features: 1) Perfect sealing performance2) Low pre-tightening stress, not adhere on flange sealing surface, easy installation, and low labor force required3) Working temperature: -200°C - 600°C 4) Working pressure: 6.4 - 10.0MPa 5) Min. pre-tightening specific pressure: y=30MPa 6) The gaskets can be made with SS inner or outer eyeletInner packing: BagOuter packing: Carton or wooden case