metal Jacketed gasket,are products using mineral packing like expanded graphite or ceramic fiber,Which is with good high temperature resistant performance,as its packing,and using stainless metal,tin,red copper sheet as its cover.It is divided into flat cladding and waving cladding by its different section shape.Cladding gasket is one of the most traditional sealing gasket which is suitable for heat exchanger,pressure container,pump,valve,and flange sealing.but it has limited elasticity, the face of flange should be flat and it need high tightening force.