TOP-SEALING O-ring consist of an elastomer core and a seamlessly closed casing of modified PTFE. The elastomer core made of FKM (Viton) or VMQ (silicone) guarantees an even pretensioning at the sealing point. The seamless casing is composed of FEP (fluorinated ethylene propylene) or PFA (perfluoroalkoxy-copolymer). It ensures reliable sealing and high resistance to aggressive media. This produces performance similar to that of a PTFE material.
Applications:
It can be used wherever an elastomer’s chemical resistance is insufficient. Here FEP and PFA materials offer chemical resistance while the elastomer core provides elasticity. Seals made of PTFE are not an option in this case. The material does offer outstanding media resistance, but is not associated with elasticity.
Advantages:
Top-Sealing since1979, specializes in producing high quality Packing, including: Aramid Gland Packing、PTFE Gland Packing、Graphite Gland Packing、Carbon Gland Packing、Ramie Gland Packing、PTFE Gaskets, Graphite Gasket, Graphite Ring,Graphite Paper, Graphite Sheet, Graphite Tape, PTFE Sheet, Fiberglass Cloth, Fiberglass Tape, Fiberglass Rope, Ceramic Fiber Cloth, Ceramic Fiber Tape,Ceramic Fiber Rope
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