Polyvinylidene fluoride (PVDF) is valued for its toughness, stability, and distinct engineering advantages. For example, if you need a polymer that will withstand exposure to harsh thermal, chemical, or ultraviolet conditions, porous PVDF offers superior stability similar to the performance of fluoropolymers in these environments.

PVDF is the homopolymer of 1, 1-di-fluoro-ethene. Its highly desirable insolubility and electrical properties result from the polarity of alternating CH2 and CF2 groups on the polymer chain. An extremely hard material, porous PVDF may be used at temperatures from -80 to 300°F (-62 to 149°C). No oxidation or thermal degradation occurs during continuous exposure to 300°F (149°C). It is available for custom molded shapes.

Superior resistance properties

Polyvinylidene fluoride (PVDF) is a fluorocarbon and is classified as “Self Extinguishing, Group 1” by Underwriters’ Laboratories, Inc. It is unaffected by long-term exposure to sunlight and other sources of ultraviolet radiation. It retains its properties in high vacuum and gamma radiation and is resistant to most acids and alkalis. PVDF is the material of choice when the porous structure will be exposed to ozone or chlorine.

Average pore size in micrometers: 25.

Key Benefits


  • low weight
  • low thermal conductivity
  • high chemical corrosion resistance
  • heat resistance
  • mechanical strength and toughness
  • high abrasion resistance
  • resistant to most chemicals and solvents
  • low permeability to most gases and liquids
  • withstands exposure to harsh thermal and chemical conditions
  • unaffected by long-term exposure to ultraviolet radiation
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