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Applications of FEP Film

Applications of FEP Film

Applications of FEP Film

Exploring applications of FEP Film

In Various Industries

FEP film, short for fluorinated ethylene propylene film, is a remarkable thermoplastic material known for its exceptional properties. Its unique combination of thermal stability, chemical resistance, electrical insulation, and non-stick characteristics makes it a versatile material suitable for a wide range of applications.

In this blog post, we will dive into the diverse applications of FEP film highlighting its significance and benefits.

Applications of FEP Film

Due to its versatile properties, FEP film is used in a wide range of applications:


3D Printing:

In the additive manufacturing industry, FEP film plays a significant role in resin-based 3D printing processes. Particularly in printers that employ liquid resin and a flexvat, FEP film serves as the release film or bottom layer of the resin vat. More information on this subject you can find here: https://fep-film.com/non-stick-sheet/

The non-stick properties of FEP facilitate smooth detachment of the cured 3D prints, ensuring successful and accurate outcomes. Lately more 3D print experts have tried PFA film as this is more flexible causing the prints to release easier. More information on this you can find here: https://fep-film.com/nfep-for-3d-printing/

Mold release:

In the realm of moulding processes, FEP film proves invaluable as a mould release layer. FEP is often used as a release film or separation film due to the unsurpassed non-stick capabilities, exceptional formation to complex surfaces and resistance to high temperatures.

This makes FEP film often very suitable as a release film. Especially in the composite industry, FEP film is regularly used, with the non-stick capabilities, your products can be removed from the mould easily and clean.

For higher temperature applications, over 200 °C, we advise a PFA release film as this can withstand temperatures up to 260 °C. For more arduous applications, the strong ETFE films are used often in red or blue.

Barrier Film:

FEP film’s resistance to chemicals, UV, moisture, gases and oils makes it a reliable choice for applications that require barrier properties. Industries ranging from food packaging and pharmaceuticals to chemical processing benefit from FEP film’s ability to provide an effective shield against environmental elements, ensuring product safety and longevity.

Also sight glasses to look into chemical installations are often made from FEP Film as it is transparent and can withstand chemicals.

We can cut the sheets to size so they can be installed on your factory floor with great ease. We can supply up to 1.5 mm thick FEP. Please contact us to discuss the options.

Electrical Insulation:

The exceptional electrical insulation properties of FEP film find extensive use in the electrical and electronics industry. Wires and cables often rely on FEP film or tubes for insulation, safeguarding against short circuits and ensuring reliable electrical performance.

Chemically Resistant Liner:

With its remarkable resistance to various chemicals, FEP film finds a crucial role as a liner or barrier film in chemical processing equipment. Tanks, pipes, and valves benefit from FEP film’s protection against corrosion and chemical attack, ensuring the durability and safety of these vital components.

Optical / UV Films:

FEP film’s transparency, UV light transmission and low refractive index make it an excellent choice for optical and UV cleaning applications. It is often used as a protective film or as a component in optical displays, lenses, and lighting applications. The optical and UV clarity of FEP film enhances light transmission and ensures optimal performance in diverse settings.


The versatility of FEP film is truly impressive, as demonstrated by its widespread applications in various industries. From 3D printing and mould release to UV applications and chemical resistance, FEP film’s unique properties offer numerous advantages. Its use as a release liner, barrier film, and in optical and 3D printing applications further showcases its diverse capabilities.

As technology continues to advance, we can expect FEP film to find even more innovative applications, solidifying its position as a valuable material in the modern industrial landscape.

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