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PlasticsPolyvinylidene fluoride (PVDF)


Polyvinylidene fluoride (PVDF) is a semi-crystalline, thermoplastic fluoroplastic.


PVDF was introduced to the market in 1961. However, the piezoelectric effect was not discovered until 1969 by Kawai.

Structure and properties:

The basic substances hydrogen fluoride and methyl chloroform are first synthesized to chlorodifluoroethane and then to vinylidene fluoride. Vinylidene fluoride is then converted to polyvinylidene fluoride using a catalyst.

  • Good thermal resistance
  • Good chemical resistance
  • Strong piezoelectric effect

Areas of application:

lining for pipes and external components, seals, measurement technology, microphones, hydrophones and loudspeakers. PVDF is also currently being tested for variable mirrors in space technology.

Semi finished products and material properties:

PVDF material properties
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