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PCTFE (Polychlorotrifluoroethylene)

The fluoropolymer PCTFE (polychlorotrifluoroethylene), often known as Kel-F® or Neoflon®, is a fluoropolymer with exceptional strength, stiffness, and dimensional stability.

Chemical resistance, radiation resistance, and flammability are all outstanding properties of PCTFE. The temperature range for this material is -400°F to 380°F. PCTFE has the lowest coefficient of thermal expansion of any unfilled fluoropolymer and is resistant to cold flow. When dimensional stability is important, these properties make it an ideal choice.

When chemical resistance, a wide working temperature range, and low flammability are required, PCTFE is frequently utilised in aircraft applications. It has a very high resistance to weathering.

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®

STANDARD SIZES

SHEET Dimensions:
12 in x 12 in – 24 in x 24 in
Thickness:
0.125 in – 2.750 in
ROD Outside Diameter:
0.125 in – 2.750 in

OPTIONS AVAILABLE

COLOR Natural
GRADES FDA Compliant

Length, width, thickness, and diameter tolerances vary by size, by manufacturer, brand, and grade. Custom sizes available upon request.

TYPICAL PROPERTIES OF PCTFE

UNITS ASTM TEST PCTFE
Specific gravity D792 2.11 – 2.17
Water absorption % D570 0
Tensile strength psi D638 4,860 – 5,710
Elongation % D638 100 – 250
Izod Impact (notched) ft-lbs/in D256 2.5 – 3.5
Flexural strength psi D790 9,570 – 10,300
Dielectric strength (68 mil film) volts/mil D149 500

Please ask your Petron Thermoplast representative for more specific information about an individual brand.

Explore the physical, mechanical, thermal, electrical, and optical properties of PCTFE.
Sort, compare, and find the plastic material suited for your application using our interactive properties table.

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