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Kapton® Polyimide Films


DuPont™ Kapton® polyimide films have set the industry standard in high performance, reliability and durability, with a unique combination of electrical, thermal, chemical and mechanical properties that withstand extreme temperature, vibration and other demanding environments.

Kapton® polyimide films are anything but ordinary. These films are engineered for long-term performance at extreme temperatures between -450° F to over 500° F over extended periods of time. So, obviously, thermal stability is a major benefit, which is why this film is so widely used in aerospace, electronics, and electrical industries when a high temperature material is required. Kapton® polyimide films possess a unique combination of properties that make it ideal for a variety of applications in a variety of different industries.

Features and benefits:

  • The ability of these films to maintain their tremendous physical, electrical, and mechanical properties over a wide temperature range immensely reduces the need for rework, helping to enable high productivity out of this product.
  • Dimensionally stable at high temperatures, which helps reduce rework, helping to enable high productivity.
  • Flame retardant, chemical and radiation resistant which helps protect surfaces to help reduce replacement costs.
  • Easy to fabricate and die-cut.

Kapton® Polyimide Films Products include:

Kapton® B


DuPont™ Kapton® B polyimide film exhibits an excellent balance of physical, chemical, and electrical properties over a wide temperature range, with superior dimensional stability at elevated temperatures.


Kapton® CR


DuPont Kapton® CR polyimide film was developed specifically to withstand the damaging effects of “corona,” which can cause ionization and eventual breakdown of an insulation material or system when the voltage stress reaches a critical level.


Kapton® CRC


Kapton® corona resistant film withstands the damaging effects of corona discharge. The corona resistance provides improved service life and operational efficiencies versus conventional insulation materials.


Kapton® FCR


Kapton® FCR is a state-of-the-art wire insulation that will withstand corona discharge while delivering improved long term performance, cost effectively.


Kapton® FCRC


Kapton® FCRC combines corona resistant polyimide film with a heat fusible FEP fluoropolymer film. The corona resistance provides improved service life and operational efficiencies vs conventional insulation materials.


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® FPC


DuPont™ Kapton® FPC polyimide film is treated on both sides with excellent balance of physical, chemical and electrical properties over a wide temperature range.


Kapton® FWN


Kapton® FWN is ideal for demanding magnet wire applications and for difficult-to-wind motors.

Kapton® FWR


Proper insulation design and application of these materials will provide a tough, high dielectric strength insulation with improved hydrolysis resistance compared to other commonly used polyimide containing materials.


Kapton® GS


Kapton® GS film has been specifically designed and manufactured to expand the processing window and improve yields during artificial graphite sheet production.


Kapton® HN


Kapton® HN is the recommended choice for applications that require an all-polyimide film with an excellent balance of properties over a wide range of temperatures.


Kapton® HPP-ST


In applications where low shrinkage and superior adhesion are important, Kapton® HPP-ST is the polyimide film of choice.


Kapton® MT


DuPont™ Kapton® MT polyimide film is a homogeneous film possessing 3x the thermal conductivity and cut through strength of standard Kapton® HN.


Kapton® PRN


DuPont™ Kapton® 150PRN411 is ideal for insulating copper conductor used in high temperature magnet wire applications.


Kapton® PST


Kapton® PST is a tough film that exhibits an excellent balance of physical, chemical and electrical properties over a wide temperature range, particularly at unusually high temperatures.


Kapton® RS


Kapton® RS is an electrically conductive polyimide film developed for applications in which a precisely controlled surface resistivity is needed.


For more information on similar materials, visit our EMI Insulating and Shielding page.

By employing specialized equipment and providing full-service solutions—from design assistance and prototyping, to acquiring and working with cutting-edge, preferred materials—SRP stands out as a leader in custom gasket fabrication and die and dieless cutting services.

SRP’s dedicated engineers are available to provide their expertise to assist you with your next project and help you obtain top-quality materials for parts and components that meet your exact specifications.

For more information you can reach SRP at info@srpco.com or 847-593-5630.