Polyvinylidene fluoride (PVDF) is a semi-crystalline thermoplastic. It combines high mechanical strength with good machinability. PVDF is widely used in chemical processing equipment such as pumps, valves, pipes and fittings.

PVDF is widely used in high-tech applications such as chemical process equipment, electrical and electronics, specialty and energy-related applications.

It belongs to the fluoride family where PTFE is found and, like PTFE, it has very good UV properties and high chemical resistance and is suitable in the entire pH scale.

Areas of use for vinylidene flouride plastic:

  • Pumps
  • Lid
  • Valves
  • Connections
  • Buses
  • Pipe parts
  • Lists

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The properties of polyvinylidene fluoride (PVDF) plastic

Polyvinylidene fluoride has a highly dipolar molecule, meaning that the correct morphology results in valuable piezo- and pyro-electric properties. In practice, these properties give a different balance after poling because of both the biaxial and uniaxial mechanical orientations.


Advantages of PVDF plastic

  • High chemical resistance.
  • High mechanical strength.
  • Good processability.
  • Good radiation & abrasion resistance.
  • Exceptionally high tensile strength.


Disadvantages of PVDF polymer

  • High dissipation factor.
  • Processing machinery needs to be kept very clean.
  • Cannot reinforce with glass fibers due to decomposition initiated by boron.
  • Poor resistance to fuming acids.