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The information provided on this website is given in good faith and is to be used for customer assistance only, and without liability on the part of the company.  Please contact Flexitallic Application Engineering for technical assistance.

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Sigma PTFE Sheet

Sigma® pairs the outstanding chemical resistance of PTFE with enhanced dimensional stability. Developed for processes ranging from cryogenic temperatures to 500°F and suitable for sealing virtually every chemical medium across the entire pH range (0-14). The Sigma® range of materials contain non-stick properties that aid in an easy removal process after their usage to dramatically reduce the downtime on shutdown. All components in the Sigma® range are FDA compliant. The material's clean nature make it ideal for use where product contamination is of concern, such as food, pharmaceuticals and electronics. The chemical resistance and dimensional stability of the material ensures total sealing reliability and minimises fugitive emissions.
  • Sigma® 500 Sheet Material (PTFE)

    Sigma® 500 is a high performance biaxially orientated sheet sealing material containing PTFE and hollow glass microspheres.

  • Sigma® 511 Sheet Material (PTFE)

    Sigma® 511 is a high
    performance biaxially
    orientated sheet sealing
    material containing
    PTFE with silica filler.

  • Sigma® 533 Sheet Material (PTFE)

    Sigma® 533 is a high
    performance biaxially
    orientated sheet sealing
    material containing PTFE
    with barium sulphate
    (barytes) filler.

  • Sigma® 588 Sheet Material (PTFE)

    Sigma® 588 is a high performance biaxially oriented PTFE sheet sealing material with enhanced handling and low stress sealing characteristics.

  • Sigma® 600 Sheet Material (PTFE)

    Sigma® 600 is a high performance biaxially orientated PTFE sheet sealing material with enhanced, low stress sealing characteristics.

  • Sigma® 800 Expanded Sheet ePTFE

    Sigma® 800 Sheet is a high quality expanded PTFE sheet sealing material (ePTFE)

  • Sigma® 850 Gasket Tape

    Sigma® 850 Gasket Tape is a high performance expanded PTFE (ePTFE) gasket tape with a biaxially fibrillated
    structure, reducing cold flow and creep.