... to 10mm Density: 0.8 g/cm3 Expanded PTFE Tape 100 teflon productsPossess all the Properties of teflon , ... other sealing materials,May used in diverse pipelines to seal flanges,enamellde products,glass,rubber products,plactice,non- ... -exchanger,pressure container as linings and to seal their flanges,to seal thefillers of diverse pumps and valves and ... force.Width: 3mm to 100mm Expanded PTFE seal tape