... Temperature resistance-268 to 315 C.Deg. Expanded PTFE Tape Size: 1.5mm to 10mm Density: 0.8 ... sealing materials,May used in diverse pipelines to seal flanges,enamellde products,glass,rubber products,plactice,non ... ,pressure container as linings and to seal their flanges,to seal thefillers of diverse pumps and valves ... and to seal such heavy-calibre flanges which are not ...