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PVDF

With more than 40 years of experience, Polyfluor is a PTFE specialist, and also a leader in the production of PVDF. Because of our relentless commitment to excellence in providing innovative solutions that seamlessly meet your wishes, we have a suitable solution for every question. It is this business model that allows us to support you to consistently be one step ahead of the competition.

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What is PVDF (Polyvinylidene Fluoride)?

PVDF is mainly used in critical applications requiring excellent chemical resistance, high purity, and exemplary mechanical properties.

Unprecedented Material Properties

PVDF has very good creep resistance that is superior to that of other fluoropolymers, which makes it much more resistant to fatigue. Further, this material is often used as insulation and as a protective sheath. Additionally, our plastic PVDF has the following properties:

  • Excellent resistance to creep and fatigue
  • High degree of thermal stability
  • Excellent radiation resistance
  • Often used as insulation and protection cover in chemical applications
  • UV resistant (resistant to the sun and does not age)
  • High dielectric constant
  • Working temperature from -20°C to +130°C

PVDF Applications

You can rest assured that our solutions utilize the best materials because Polyfluor is well-known for its unparalleled products that ensure all challenges are solved perfectly. We are also constantly developing our solutions, so when new challenges arise, we are ready to solve them. In addition to PVDF end products, such as PVDF hoses, Polyfluor also provides products, such as PVDF foil, plates, couplings, rods, pipes, rings, and cleanroom tubing. We have a solution for almost every application, and in the rare instances that we don’t, we simply make it for you according to your specific needs.

Primarily Utilized in the Chemical Industry

Polyfluor PVDF is primarily used in the chemical industry. Leading players in this industry always choose Polyfluor because of the excellent product properties. Polyfluor offers particularly effective, industry-specific solutions because we understand that each sector possesses unique characteristics. PVDF is often used in the chemical industry as an insulation or protective barrier due to its chemical resistance. That is why Polyfluor has various solutions for these industry-specific applications. Our industry specialists can easily connect your exact needs with our solutions.

Partner You Can Build on

Polyfluor offers the best products, but they must be applied correctly for them to be effective. That is another reason that we like to collaborate with you regarding specific applications. Our specialists are happy to support you with their extensive knowledge. Because we value quality and honesty, Polyfluor works transparently, so you always know where you stand. We understand that it is imperative to be open and communicate in order to set realistic expectations, which explains why we have been a main name in the market for over 40 years.

Frequently Asked Questions (FAQ)

Is PVDF UV-resistant for outdoor applications?

Yes, PVDF has good inherent UV resistance. Compared with many other thermoplastics:

  • It ages relatively slowly under sunlight
  • Discolouration occurs less rapidly
  • Mechanical properties are better retained over time

For this reason, PVDF is regularly used in:

  • Outdoor pipework
  • Open-air chemical processing systems

Note: prolonged exposure to extreme UV combined with high temperatures can still lead to degradation. Proper design and material selection remain essential.

Is PVDF electrically conductive or insulating?

Standard PVDF is a good electrical insulator. It offers:

  • High dielectric strength
  • Low electrical conductivity
  • Good resistance to electrical breakdown

This makes it suitable for:

  • Cable insulation
  • Electronic components
  • Battery technology

Modified grades with antistatic or conductive properties do exist, but standard PVDF is electrically insulating.

How does PVDF behave in terms of thermal expansion?

PVDF has a relatively high coefficient of linear thermal expansion compared with metals. This means:

  • Pipework can expand significantly with temperature changes
  • Expansion loops or compensators may be required
  • Pipe supports and fixings must be carefully designed

This is a common design oversight when switching from steel to thermoplastics. Thermal expansion is often underestimated in early design stages.

Is PVDF impact-resistant at low temperatures?

PVDF retains toughness at low temperatures better than many other plastics. Key characteristics:

  • Glass transition temperature around -35°C
  • Relatively good impact resistance
  • Less brittle than some polyolefins

However: at very low temperatures combined with mechanical loading, embrittlement can still occur. For arctic or cryogenic applications, additional validation is required.

Is PVDF recyclable?

Yes, PVDF is technically recyclable because it is a thermoplastic. In practice, there are important considerations:

  • Separate waste streams are required
  • Contamination with other plastics limits reprocessing
  • In battery applications, material recovery is more complex

In industrial manufacturing, production scrap can often be reprocessed. End-of-life recycling is technically feasible, but infrastructure and logistics are not yet fully optimised in all regions.

Technical information

Need more information about the properties of PVDF? It can be found in the technical datasheets below.

More information?

Please contact our sales engineers if you require more information, an inquiry or to evaluate samples. Or download our technical data sheets.

pvdf Datasheet 1 pvdf Datasheet 2 Technical advice Proposal request

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