PVDF (Kynar / Tecaflon / Symalit / Kytec)

Polyvinylidene fluoride, or polyvinylidene difluoride (PVDF) is a highly non-reactive and pure thermoplastic fluoropolymer produced by the polymerization of vinylidene difluoride.

PVDF is a specialty plastic material in the fluoropolymer family; it is used generally in applications requiring the highest purity, strength, and resistance to solvents, acids, bases and heat and low smoke generation during a fire event. Compared to other fluoropolymers, it has an easier melt process because of its relatively low melting point of around 177 °C.

It has a low density (1.78) compared to the other fluoropolymers. It is available as piping products, sheet, tubing, films, plate and an insulator for premium wire. It can be injected, molded or welded and is commonly used in the chemical, semiconductor, medical and defense industries, as well as in lithium ion batteries. It is also available as a crosslinked closed cell foam, used increasingly in aviation and aerospace applications.

A fine powder grade, KYNAR 500 PVDF or HYLAR 5000 PVDF, is also used as the principal ingredient of high-end paints for metals. These PVDF paints have extremely good gloss and color retention, and they are in use on many prominent buildings around the world, e.g. the Petronas Towers in Malaysia and Taipei 101 in Taiwan, as well as on commercial and residential metal roofing.

PVDF membranes are used for western blots for immobilization of proteins, due to its non-specific affinity for amino acids.

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, PVDF offers superior stability similar to the performance of fluoropolymers in these environments.

PVFD 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, PVFD 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.

PVFD 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, PVFD 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.

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

Key Properties

Excellent chemical resistance at high temperatures

Good thermal stability

High dielectric and piezoelectric constants

Excellent UV-resistance

Nontoxic and FDA/USDA-compliant

Standard Shapes and Forms

Sheet: .030” – 4” thick

Rod: .250” – 12” diameter

Other Forms: Pipe & Fittings, Flexible Tubing

A Corrosion Guide is available on the Pipe & Fittings page and the Technical Specifications page.

The range of sizes and shapes are grade specific, please contact us for more information.

Colors

Natural (beige)

PVDF (Kynar / Tecaflon / Symalit / Kytec) Pictures