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Polyvinylidene Fluoride (PVDF)

Last updated: February 15, 2019

What Does Polyvinylidene Fluoride (PVDF) Mean?

Polyvinylidene fluoride (PVDF) is a fluorocarbon chemical substance that is the homopolymer of 1,1-difluoroethene. It is characterized by high insolubility and extreme hardness, making it a good coating material for the prevention of corrosion in metal substrates.


Corrosionpedia Explains Polyvinylidene Fluoride (PVDF)

Polyvinylidene fluoride (PVDF) has been used for corrosive and chemical fluid containment since 1964. In the 1980s copolymer PVDFs were introduced to provide more material flexibility in use. These materials were used as flexible tubing for large metal components. The PVDF copolymer systems allow for the creation of lightweight piping structures with excellent corrosion resistance and high flexibility or rigidity. PVDF is used across various industries including petrochemical, pharmaceutical, food & beverage and nuclear waste processing.

PVDF may be used in a wide range of temperatures from -62°C to 149°C (-80 to 300°F). This property makes it suitable for the protection of metals exposed to drastic variations in temperature. In addition, PVDF is largely unaffected by long-term exposure to sunlight and ultraviolet radiation. It is also nonporous, making it a preferred protective material for porous structures exposed to substances such as ozone or chlorine.



Polyvinylidene Difluoride

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