PolyTetraFluoroEthylene - PTFE

Properties of Unfilled - PTFE

Basic properties of Virgin / Unfilled PolyTetraFluoroEthylene – PTFE:


PolyTetraFluoroEthylene — PTFE has unique & versatile properties. Due to unique & versatile properties of PTFE, it finds the applications of many service conditions.


PolyTetraFluoroEthylene — PTFE has unique & versatile properties. Due to unique & versatile properties of PTFE, it finds the applications of many service conditions.


Discovery of Du Pont<sup>®</sup>'s Teflon<sup>®</sup>

  • Chemical inertness to all known chemicals however attacked by molten alkali metals, chlorine, triifluorides, fluorine & related fluorine complexes at elevated temperature & pressure.
  • Resistance to solvents, insoluble in all solvents up to 260°C. Certain high fluorinated oils swell & dissolve PTFE at temperature close to crystalline melting point.

  • Wide operating temperature range -250°C to +260°C, at atmospheric pressure.
  • Lowest coefficient of friction among all known metals & nonmetals.
  • Nontoxic & antistick properties.
  • Negligible water absorption.
  • Nonflammable
  • Resistance to radiations, electrical properties remain practically unchanged during & after irradiation, both in air & vacuum.
  • Excellent weathering resistance.
  • Outstanding electrical/insulating properties over wide frequency range.

PTFE Properties at a glance:

Exemplary Chemical Inertness
Exceptional weathering resistance.
Excellent electrical insulation characteristics.
Remarkable Heat resistance
Non-adhesive Properties
Very low coefficient of friction
Resistance to Magnetic Field
Non-Flammable
High Resistance to Radiation
Negligible Water Absorption
Non Toxic

Service Conditions for PolyTetraFluoroEthylene – PTFE:-

Due to unique & versatile properties of PTFE, it finds the applications of many service conditions such as


  • Service Conditions that PTFE Can Work
  • Corrosive
  • Radiation
  • Subzero – Cryogenic
  • Ultraviolet Exposure
  • Hygienic
  • Low – Zero – high gravity – Space
  • Marine

  • Erosive
  • Magnetic Fields
  • Electrical Insulations
  • Non adhesive
  • Non Friction
  • Heat Up to 200°C
  • Vacuum



    • Annual worldwide consumption of PTFE is around 1,50,000 tons and expected to grow @ 5% p. a.
    • China, Russia and India being major producers of PTFE.
    • Prices of PTFE are stable, worldwide.
    • Annual consumption of PTFE in India is around 5,000 tons and expected to grow @ 10% p. a.
    • Modified PTFE, Filled PTFE are major growth sectors in PTFE and market increment is @ 15% p. a.
    • Emerging market applications for PTFE are semiconductor and automobile industries.

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