W.L. Gore is the world’s leading supplier of expanded PTFE (Polytetrafluoroethylene) components used in the transport and sealing of industrial fluids. Gore’s Sealants Division includes aircraft sealants, high-performance gaskets, and packing fibers for the most severe conditions. Through years of extensive product testing, Gore has developed a thorough understanding of factors that influence the effective sealing of vessels, pumps, valves, and piping systems.