Engineering Plastics Polyvinylidene fluoride

Polyvinylidene fluoride (PVDF) is a high-performance engineering thermoplastic known for its exceptional chemical resistance, mechanical properties, and thermal stability. Here’s an overview of PVDF:

Key Features:

  1. Chemical Resistance: PVDF exhibits excellent chemical resistance to a wide range of corrosive chemicals, including acids, bases, solvents, and fuels. This property makes it suitable for applications in harsh chemical environments.

  2. Mechanical Properties: PVDF offers high strength, toughness, and stiffness, as well as good resistance to creep and fatigue. It maintains its mechanical properties over a wide temperature range.

  3. Thermal Stability: PVDF has a high melting point (around 170-175°C) and exhibits excellent thermal stability, retaining its properties at elevated temperatures. It can withstand continuous service temperatures up to 150°C.

  4. Weather Resistance: PVDF has excellent weatherability and resistance to ultraviolet (UV) radiation, making it suitable for outdoor applications without significant degradation or color fading.

  5. Electrical Insulation: PVDF is an excellent electrical insulator, with low dielectric constant and dissipation factor, making it suitable for electrical and electronic applications.

  6. Low Flammability: PVDF is inherently flame retardant and has a low smoke and toxicity emission, making it suitable for applications where fire safety is a concern.

  7. Biocompatibility: PVDF is biocompatible and FDA-approved for use in medical and food contact applications, such as medical implants, catheters, and food processing equipment.


  1. Chemical Processing: PVDF is widely used in chemical processing industries for manufacturing pipes, fittings, valves, pumps, and tanks, where resistance to corrosive chemicals is essential.

  2. Semiconductor Industry: It finds applications in the semiconductor industry for manufacturing components such as wafer carriers, fittings, and tubing, due to its high purity, chemical resistance, and low particle generation.

  3. Oil and Gas: PVDF is used in oil and gas exploration, production, and refining operations for manufacturing components such as seals, gaskets, linings, and membranes, due to its resistance to hydrocarbons and chemicals.

  4. Architectural Coatings: PVDF coatings are used in architectural applications for coating building exteriors, facades, and roofing panels due to their weather resistance, color retention, and durability.

  5. Water Treatment: PVDF membranes are used in water treatment processes for filtration, desalination, and purification due to their chemical resistance, durability, and ability to withstand harsh operating conditions.

  6. Electronics: PVDF is used in electronics for manufacturing components such as wire insulation, cable jackets, connectors, and capacitors, due to its electrical insulation properties and resistance to heat and chemicals.

  7. Medical Devices: PVDF is used in medical devices and implants such as catheters, surgical instruments, and prosthetic components, due to its biocompatibility, durability, and resistance to sterilization methods.

Overall, Polyvinylidene fluoride (PVDF) is a high-performance engineering plastic with a wide range of applications across industries, offering a combination of chemical resistance, mechanical properties, thermal stability, and biocompatibility. Its exceptional properties make it suitable for demanding applications in chemical processing, electronics, medical, oil and gas, and architectural sectors.

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