Kapton® Polyimide Film
Kapton® polyimide film possesses a unique combination of properties. The ability of Kapton® to maintain its excellent physical, electrical and mechanical properties over a wide temperature range has opened new design and application areas for plastic films. Kapton® is extensively used for aerospace, printed circuit and traction motor applications, operating up to 400°C. It has proved to be an indispensable material for demanding applications.
The primary types of Kapton® are:
- Kapton® HN – Used for the majority of applications, where its properties are required over a wide temperature range. The standard sizes are shown below.
- Kapton® FN – Where heat sealability is required. Kapton® is combined with Teflon® FEP resin. It is commonly used for lapping of copper conductors in electric motors and aerospace wires.
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Kapton® Specialty Products:
- Kapton® FWN – Kapton® FWN is a two-layer, polyimide, FEP fluoropolymer dispersion-coated heat-fusible composite film.
- Kapton® FWR – Kapton® FWR films are polyimide-FEP fluoropolymer substrate materials that 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® MT+ – Kapton® MT+ polyimide film is a homogeneous film possessing over 5x the thermal conductivity of standard Kapton® HN, while retaining the strong mechanical and dielectric properties you expect from a polyimide film.
- Kapton® RS – Kapton® RS is an electrically conductive polyimide film developed for applications in which a precisely controlled surface resistivity is needed.
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Kapton® HN – Standard Rolls – 610mm wide
| Thickness and type | Thickness mircrons | Length of roll M | Yield M2/kg |
| 50HN* | 12.7 | 914 | 56 |
| 100HN | 25.4 | 457 | 28 |
| 200HN | 50.8 | 232 | 14 |
| 300HN | 76.2 | 152 | 9.2 |
| 500HN | 127 | 91 | 5.5 |
* 50HN – limited availability.
Pronat stocks and converts Kapton® in all thicknesses for a wide range of applications. Pronat will die cut, slit, sheet and laminate Kapton® film to customers specification.
