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Compressed Fiber

Compressed Fiber Die Cut Gaskets

The SF products are fiber reinforced, polymer bound, calendered sheet sealing materials made using traditional manufacturing techniques. A wide range of specially selected, high performance inorganic and organic fibers are used in conjunction with a polymer matrix, chosen to give the appropriate degree of chemical compatibility and sealing performance.

SF products cover a wide range of sealing applications in the general industrial, chemical and automotive sectors.

Sealing performance is product specific and engineered to encompass the widest possible combinations of temperature, pressure, chemical compatibility and seal integrity.

Temperatures from -328ºF to 887ºF can be accommodated and pressures from 2030 psi down to vacuum can be sealed using these materials.

SF range of material has been designed to give similar property profiles to traditional asbestos based products without the associated hazards to health. Special attention has been given to the following key areas:

Use of conventional cutting tools and techniques

Cutting of complex gaskets geometries

Handleability

Gasket removal - anti-stick coating SARK III is applied to all these products

  • Compressed Fiber
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  • 1. SF 2401
     

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    Medium quality, cost effective, compressed, non-asbestos sheet material. Based on a blend of aramid and inorganic fiber with a high quality nitrate binder system. Suitable for use with oils, solvents, gases, hot and cold water, low pressure steam and many dilute acids and alkalis.

    Max Temperature: 662°F (350°C)
    Max Pressure: 1450 psig (100 bar)ASME m: 3.2
    ASME y: 2900 psi (20 MPa)       pH Range: 3–11

     

  • 2. SF 2420
     

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    SF 2420 is a high quality aramid fiber reinforced sheet with SBR binder, excellent for sealing steam, water, gases, oils, mild solvents and/or alkalis.

  • 3. SF 3100
     

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    SF 3100 is a general purpose aramid fiber based sheet sealing material bound with high quality nitrile rubber.

  • 4. SF 3300
     

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    A premium quality sheet material reinforced with a blend of aramid and glass fibers and bound with nitrile rubber. SF 3300 complies with the highest grade of the British Standard for non-asbestos sheet sealing materials - BS 7531 Grade X. For applications in split case pumps where a thin, complex gasket capable of withstanding a high surface stress is required, SF 3500, a variant of SF 3300, has been developed. Where caustic liquors have to be sealed a variant of SF 3300 reinforced with a blend of aramid and carbon fibers is offered: this material, SF 5000 is widely used in the pulp and paper industry.

  • 5. SF 3500
     

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    SF 3500 is a superior performance compressed non-asbestos gasket material ideal for use in pumps (including split case). It is constructed with glass and aramid fiber reinforcement, and it uses a NBR binder.

  • 6. SF 5000
     

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    SF 5000 is an NBR based, non-asbestos sheet sealing material, reinforced with carbon and aramid fibers. SF 5000 is suitable for use in a wide range of industrial applications including oils, fuels, steam, water and dilute acids. SF 5000 is especially suitable for sealing caustic liquors. Properties based on 1/32” thick material, except as otherwise noted.

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