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Kapton® FN

DuPont™ Kapton® FN is a general purpose HN film that is coated or laminated on one or both sides with Teflon® FEP fluoropolymer. Kapton® FN imparts heat sealability, provides a moisture barrier, and enhances chemical resistance.

Kapton® FN is recommended in applications that require a heat bondable film, or moisture and chemical resistance beyond the capabilities of uncoated Kapton® films.


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

Physical Properties of Kapton® FN

Property 120FN616 150FN019
Ultimate Tensile Strength, Mpa 207 162
Ultimate Elongation, % 75 70
Density, g/cc 1.53  1.67
Tensile Modulus, GPa 2.48 2.28

For a complete listing of FN properties, click here.