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Certifications ISO 13485:2016 | AS9100D | ITAR | FDA Registered | CAGE Code 5TTR7 

PTFE

PTFE for CNC Machining

PTFE is a flexible, low-friction fluoropolymer known for its exceptional resistance to chemicals, weathering and high temperatures.

Updated: 8/20/26

Low friction plastic with strong chemical, high temperature and weathering resistance

PTFE

PTFE (polytetrafluoroethylene) is a flexible, low-friction fluoropolymer known for its exceptional resistance to chemicals and weathering. It remains stable at temperatures as high as 500ºF, making it ideal for use in high-temperature settings.

Additionally, PTFE possesses excellent electrical insulating capabilities. It is available in various formulations, including unfilled, glass-filled, and bearing grades.

Performance Characteristics

  • Extremely low friction
  • Outstanding chemical resistance
  • Good weathering resistance
  • Performs well at elevated temperatures
  • Soft and formable

Common Brands

  • Teflon
  • Rulon
  • Fluorosint

PTFE Properties

  • Mechanical Properties
  • Thermal Properties
  • Electrical Properties
  • Optical Properties
  • Mechanical Properties

    Tensile Strength 1,500 - 3,000 psi
    Tensile Modulus of Elasticity -- psi
    Tensile Elongation 100 - 200%
    Flexural Strength -- psi
    Flexural Modulus of Elasticity 72,000 psi
    Compressive Strength -- psi
    Hardness Shore D 55
    Izod Impact 3.5 ft-lbs/in

  • Thermal Properties

    Coefficient of Linear Thermal Expansion 8.9 in/in/°F x 10-5
    Heat Deflection Temperature (66 psi/264 psi) 250 / -- °F
    Max Continuous Service Temperature in Air 500 °F

  • Electrical Properties

    Dielectric Strength 400 - 500 V/mil

  • Optical Properties

    Light Transmittance -- %
    Haze -- %