Gasket Ring 1.Graphite,PTFE and asbestos as filler 2. -200-600 degree ... ability 4.Used in pumps, valves, tank Spiral Wound Gasket is the best among all the half-metal seal ... 304SS, 304LS, 316SS, 316LSS, Low Carbon Steel, 316Tiss, 321SS, etc.Packing Material: Asbestos Band, Expanded Graphite, Teflon Band, Non-Asbestos, MicaMaterialTemperature (° ... 2600-14Update Date:2010-12-30 18:13:54 gasket with ring