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Kapton FN Insulation

Material AG000672S01 Categories , ,

Kapton FN Insulation

A chemically resistant, heat sealable electrical insulation film consisting of polyimide coated on one or both sides with an FEP flouropolymer.

Possesses an unparalleled combination of electrical, mechanical, chemical and thermal performance and is used in a wide variety of applications.

Kapton FN is a very high quality, heat sealable grade of polyimide insulation film consisting of Kapton HN film which is then coated or laminated on one or both sides with Teflon® FEP flouropolymer. This allows Kapton FN to retain the unique balance of electrical, chemical, mechanical and thermal properties of Kapton HN over a wide temperature range.

The existence of the FEP coating on one or both sides of the film has seen Kapton FN successfully utilized in applications that require a heat bondable film or a moisture and chemical resistance beyond the capabilities of uncoated Kapton films. Kapton FN meets the requirements of ASTM D-5213 (type 2, item A).

Due to its unparalleled combination of electrical, mechanical, chemical and thermal performance; Kapton® FN is used in a wide variety of applications. Some of these include:

  • Tubing
  • Heater circuits
  • Heat sealable bags
  • Automotive diaphragms and manifolds
  • Electrical insulation


Standard Thicknesses
Constrution (µm)
120FN616 2.5 25.4 2.5
150FN019 25.4 12.7
200FN919 12.7 25.4  12.7
200FN011 25.4 25.4
250FN029 50.8 12.7
300FN021 50.8 25.4
300FN929 12.7 50.8 12.7
400FN022 50.8 50.8
500FN131 25.4 76.2 25.4
Available Forms & Customisation Options

Kapton® FN is available by the roll, metre or in slit tape or cut component form from Associated Gaskets. Roll length varies by thicknesses.

We’re pleased to offer a full conversion service for our Kapton® FN. Our in-house slitting, knife cutting, sewing, kiss cutting, die cutting and water cutting facilities allow us to offer slit Kapton® FN tape or precision cut Kapton® FN components in whatever size you require.

For more information on the variety of options available, other grades of DuPont™ Kapton® also available from AG, or to discuss Kapton® FN’s suitability for your application, please don’t hesitate to contact your local Associated Gaskets branch.

Kapton®is a registered trademark of DuPont™.

Additional Information and Resources

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Kapton FN Insulation Film TDS

Max. Continuous Temp.

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Adhesive Backed

Dielectric Strength

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Dangerous Goods for Transport