There are sheet metal gasket with concentric surface corrugation. Inthis way, the gasket could be good elasticity. Then we cover graphite orsoft PTFE and nonasbestos onto the two face of the framework, finallywe got a integral compound gasket. The tooth like compound gasket assome excellent performance based upon its special framework. And thisproducts can be used more than once in normal conditions, it is veryeconomical. It can replace Spiral Wound Gasket and jacketed gasket. Itcan be used in pressure container, heat-exchanger, pipe and so on, whichare connected by flange.