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PCTFE is Widely Used For:

  • Cryogenic and chemical processing components
  • Seals and gaskets
  • Aerospace valve seats, pump parts, impellers,
    diaphragms, and plugs
  • Laboratory instruments
  • Nuclear service/high radiation exposure
  • Liquid oxygen and liquid nitrogen valve linings

Performance Characteristics:

  • Dimensionally stable, rigid, and resistant
    to cold flow
  • Very low gas permeation and outgassing
  • Near zero moisture absorption
  • Excellent chemical resistance
  • Useful temperature range: –400°F
    to 380°F
  • Radiation resistance

Common Brands:

  • Neoflon®
  • Kel-F®
  • Aclon®


Shop for PCTFE sheets. PCTFE commonly referred to as Kel-F® or Neoflon®, is a fluoropolymer material with outstanding strength, stiffness, and dimensional stability. PCTFE has excellent chemical resistance, radiation resistance, and flammability characteristics. It is resistant to cold flow and has the lowest coefficient of thermal expansion of any unfilled fluoropolymer. FDA compliant grades available. Standard sizes available. Custom cuts, cut-to-size. Have machined into fabricated parts. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote.

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