CHAMPION ePTFE Flex-O-Seal is a unique sealing material manufactured from special grade of 100% expanded pure PTFE by transforming into a fibrous structure. ePTFE Flex-O-Seal has a special peel off adhesive on one side. Though very tough, our ePTFE Flex-O-Seal is soft and suited to all types of flanges, covers and narrow cavities. Due to its soft and flexible structure this rope gasket is an ideal seal under pressure, without significant cold flow even on irregular, badly damaged or corroded flange surfaces. Once bolted this gasket rarely needs to be re-torqued. CHAMPION ePTFE FLEX-O-SEAL is easy to install and is able to fill in severe surface irregularities. The flexible applications of this product allows reduction of inventory of ready made gaskets/envelopes, thereby the term UNIVERSAL JOINT GASKET.