Description:There are sheet metal gasket with concentric surface corrugation. In this way, the gasket could be good elasticity. Then we cover graphite or soft PTFE and nonasbestos onto the two face of the framework, finally we got a integral compound gasket. The tooth like compound gasket as some excellent performance based upon its special framework. And this products can be used more than once in normal conditions, it is very economical. It can replace Spiral Wound Gasket and jacketed gasket. It can be used in pressure container, heat-exchanger, pipe and so on, which are connected by flange.