Shende Sales Corporation supplies Poly Tetra Flouro Ethylene Back-up Ring. Shende Sales Corporation manufactures a wide range of Fluid Sealing Products like Oil Seals, O-Rings, Wiper Seals, Bucket Seals, Quad Rings, Chevron Packing, Rod and Piston Seal and Extruded Rubber products. The Poly Tetra Flouro Ethylene Back-up Ring is mainly used to prevent seal extrusion under high pressure applications in various industrial sectors. The Poly Tetra Flouro Ethylene Back-up Ring is available in solid or spiral type construction.