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Gaskets • O-Rings • Teflon (PTFE) O-Rings

O-rings made of teflon. Teflon or PTFE has the lowest coefficient of friction (against polished steel) of any known solid material and is also non-reactive.

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  • Grainger Industrial Supply

    Grainger Industrial Supply distributes PTFE O-rings with fractional widths of 1/8", 3/32", 1/16", and 3/16". O-rings are available with inner diameters ranging from 1/8" to 5" and with outer diameters of 1/4" to 5-1/4". Grainger stocks the O-rings from various approved vendors.

  • Allied Metrics Seals & Fasteners, Inc.

    Allied Metrics Seals & Fasteners offers Teflon O-rings that operate within a temperature range of -100F to 400F. The O-rings can be filled with glass fibers, carbon, carbon fibers, graphite, bronze, molybdenum disulfide, stainless steel, polymers, or pigments.

  • Scientific Instrument Services, Inc.

    Scientific Instrument Services Inc. supplies PTFE O-rings in sizes 0-3. Used in chemical environments, acidic or basic environments, and for sealing of moving or sliding surfaces, the O-rings are available with inner nominal diameters ranging from 1/16" to 15".

  • All Seals, Inc.

    All Seals Inc. stocks and distributes Teflon back-up rings that serve as seals for dynamic and static applications within hydraulic and pneumatic systems equipment. Available in single turn (scarf cut), multi-turn (spiral cut) and solid (uncut) configurations, the O-rings can be extended, heavy duty, or MIL-spec types. The company also distributes filled Teflon back-up rings for applications where pressures exceed 3,000 psi and temperatures are above 275 F.

  • Marco Rubber & Plastic Products, Inc.

    Teflon O-rings distributed by Marco Rubber & Plastic Products work within a temperature range of -250F to 450F, and are recommended for chemical resistance, fuel resistance, and low coefficient of friction use. The company also offers Teflon encapsulated O-rings.

  • Greene Rubber Co., Inc.

    Greene Rubber Co. manufactures custom Teflon O-rings and Teflon encapsulated Viton O-rings in metric and non-standard sizes. The company's O-rings, gaskets, and seals are used within the aerospace, military and transportation industries.

  • Mercer Gasket & Shim

    Mercer Gasket & Shim supplies Teflon O-rings in metric and imperial sizes. Used in chemically aggressive environments, the O-rings can operate in temperatures up to 6000F and feature X-section sizes ranging from 1/16" to 1/4". The company also offers Teflon encapsulated O-rings.

  • Grotenrath Rubber Products Co., Inc.

    Grotenrath Rubber Products produces Teflon molded or machined O-rings for aerospace, automotive, hydraulic and pneumatic, critical sealing, medical, semiconductor, military, industrial equipment, and appliance applications.

  • Interplast Inc

    Interplast Inc. manufactures 100 percent pure PTFE O-rings available with outer diameter up to 48". Fabricated to close tolerances and industrial and military specifications, the O-rings are used in high temperature and corrosive liquid applications. The O-rings can be filled with glass, carbon, graphite or bronze.

  • Ethylene Atlantic Corp.

    Ethylene Atlantic Corp. fabricates PTFE O-rings available in diameters up to 7". The company serves the automotive, chemical, communications, instrumentation, laboratory, semiconductor and textile industries.

  • Global O-Ring & Seal, LLC

    Global O-Ring and Seal offers AS568 size o-rings in teflon (PTFE), teflon encapsulated silicone, and teflon encapsulated viton FKM.