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A fluorocarbon chemical compound, it is a 1,1-difluoroethene homopolymer. Because of its great insolubility and endurance, polyvinylidene fluoride is an excellent coating material for avoiding corrosion on metal substrates.

Sheets are chemically resilient even in the most difficult-to-handle situations, such as hot, concentrated sulfuric acid, PVDF valves, and PVDF pipelines. PVDF Materials is a thermoplastic with application adaptability similar to other thermoplastics, notably fluoropolymers.

Before being employed in extrusion and injection molding, it is applied to PVDF pipes, sheets, coatings, films, and molded PVDF goods such as bulk containers. PVDF is used in pipes and fittings due to its resistant qualities and higher temperature limits.

It boasts exceptional mechanical, physical and chemical resistance, guaranteeing excellent thermal stability up to 140° C. PVDF responds to the need to provide suitable mechanical resistance meeting the design requirements of industrial plants. It is resistant to acids, petroleum, and different other chemicals which makes it one of the most reliable items to be used.

PVDF welding rod


SHEET Dimensions:
24 in x 48 in
0.500 in – 4 in
ROD Outside Diameter:
0.187 in – 11 in

PVDF Approvals And Quality Marks

The products have approved quality marks which increase trustability. The Food and Drug Administration (USA) approves of the products to be safe when in contact with food. In a similar way, the National Sanitation Foundation marks PVDF Solef resins to be safe for use in contact with drinking water. FIP PVDF Solef® valves have been tested and certified by DIBt (Deutsches Institut für Bautechnik). The valves and fittings are EAC certified in accordance with Russian regulations on Safety, Hygiene, and Quality. They are also certified in accordance with Ukraine regulations on Safety, Hygiene, and Quality.


Tensile strength psi D638 7,800
Flexural modulus psi D790 310,000
Izod impact (notched) ft-lbs/in of notch D256 3.0
Heat deflection temperature @ 264 psi °F D648 235
Maximum continuous service temperature in air °F
Water absorption (immersion 24 hours) % D570 0.02
Coefficient of linear thermal expansion in/in/°Fx10-5 D696 7.1

Characteristics of PVDF Materials

Some of the most distinguishing characteristics of PVDF are:

  • Abrasion resistance is exceptional.
  • Thermal stability is excellent.
  • Resistance to ultraviolet (UV) light and high-energy radiation
  • High creep resistance under long-term stress (creep)
  • High fatigue resistance with cyclic loading
  • Dielectric strength is quite high.
  • Resistance to the majority of chemicals and solvents
  • Water absorption is low; it absorbs less than 5% of the available water at room temperature.
  • It is known to be mechanically stronger than other fluoropolymers (i.e., PTFE)
  • Meets the requirements for food processing applications (non-toxic and resistant to bacteria and fungi)

PVDF applications

PVDF rod has many electrical and electronics sector uses, including aviation wires and cables, high-temperature wiring, residential appliances, and industrial power control systems.

Good corrosion qualities can increase its application to heavy industries such as oil and gas, automotive, marine, and petrochemicals for gaskets, seals, linings, etc.

It is now widely used in filtering equipment such as housings, filters, membranes, etc.

Because of its thermal and chemical stability, pvdf plastic is also used to make lithium-ion batteries separators. These membranes are in high demand since the market for electric vehicles is expected to increase significantly in the future.

PVDF resin is utilized to manufacture flexible tubing and liners for use in water systems, chemical pipelines, car gasoline lines, and storage.

Piezoelectric films and PVDF sheet is extremely sensitive transducers. Because they are flexible, stiff, and lightweight, they may be molded into various shapes, resulting in one-of-a-kind and inventive applications.

Advantages of PVDF

Excellent chemical resistance

The use of Solef® resin, a vinylidene fluoride polymer, ensures excellent resistance to corrosion and abrasion when conveying highly aggressive chemicals. PVDF is basically inert to most inorganic acids and bases, organic acids, aromatic and aliphatic hydrocarbons, alcohols and halogenated solvents. However, it is not recommended for use with fluorine, amines, ketones and oleum (sulfuric acid with sulfur trioxide).

Excellent Thermal Stability

PVDF maintains its characteristics unchanged in a temperature range between -40° C and +140° C. PVDF pipes are particularly suitable in all applications requiring high operating temperatures, very low levels of fluid contamination and high resistance to ageing due to atmospheric agents and UV radiation. The material’s excellent mechanical properties are retained even at high temperatures.

Fire resistance

Solef® resins guarantee excellent fire resistance without the need for flame retardants (Limit Oxygen Index, LOI = 44%). In case of combustion, smoke emissions are moderated. Solef® PVDF resins are classified UL-94, class V-O.


Solef® PVDF resin is an extremely pure polymer that does not contain stabilizers, plasticizers, lubricants or flame retardants. As a result, it is the ideal material for conveying ultra-pure water and chemicals, ensuring the non-contamination of the conveyed fluid. As it is physiologically non-toxic, it is suitable for conveying fluids and food products.

High abrasion resistance

According to the Taber Abrasion Test (in which the weight loss of a material is measured after being exposed to an abrasive wheel for 1000 cycles), PVDF is the most resistant thermoplastic material (CS-10 Load 1kg – Weight Loss / 1000 cycles = 5-10 mg.)