Metal Jacketed gasket,are products using mineral packing like expandedgraphite or ceramic fiber,Which is with good high temperature resistantperformance,as its packing,and using stainless metal,tin,red coppersheet as its cover.It is divided into flat cladding and waving claddingby its different section shape.Cladding gasket is one of the mosttraditional sealing gasket which is suitable for heat exchanger,pressurecontainer,pump,valve,and flange sealing.but it has limited elasticity,the face of flange should be flat and it need high tightening force.