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PI Film

Polyimide Film is the best filmic insulation material in the world, it consists of Pyromellitic dianhydride (PMDA) and diamino-diphenyl ether(DDE) in strong polar solvents by condensation and re-cast film made by the imidization. Being named as “Golden Film”, polyimide film with excellent performance, such as high temperature and low temperature capabilities, electrical insulating properties, cohesiveness, radiation resistance, media resistance, good chemical stability and self-extinguishing etc. It can be used long-term where the temperature ranging from -269 ℃ ~ 280 ℃ and short-term up to a high temperature of 400 ℃. Fire rating UL94 V-0, environmental protection without halogen, heavy metals and other restrictions on organic matter content have reached the national environmental standards. In addition, its surface (side) has a unique roughening process, which can improve product composite bonding capacity, and with a very significant improvement of adhesion of other bonding process in the same condition.

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Details about PI Film

PI Film Size
Thickness (mm)Width × Length (mm)
0.02mm, 0.025mm, 0.05mm, 0.075mmWidth: 10mm—700mm, customized width and length, in roll
0.125mm, 0.15mm,0.175mm, 0.2mmWidth: 10mm—700mm, customized width and length, in roll
0.23mm, 0.25mmWidth: 10mm—700mm, customized width and length, in roll

I. Polyimide Film Characteristics


1.High temperature and low temperature capabilities
2. Excellent electrical insulating properties
3. High cohesiveness
4. Radiation resistance and media resistance
5. Good chemical stability


II. Technical requirements

1. Film surface should be smooth, flat. There should be no fold,Tearing, dots and graininess,bubbles, pinholes and exogenous impurity. Neat edge without damage.

2. Film in rolls, Width 10mm-700mm, the total length of per roll is not less than 60m.
Not less than 30m per segment for composite products and wrapped insulation film.
Not less than 3m per segment and not more than 5 segment per roll for other Electric materials application.

3. Offering ribbon, width and length can be negotiated according to user requirements


III. Polyimide Film Applications

1.Widely used in space technology, F, H-class motor, Electrical insulation, FPC(flexible printed circuit board), TAB(pressure-sensitive adhesive tape substrate), aerospace, aviation, computer, wire, transformers, stereos, cell phones, metallurgy, mining electronic components industry, automotive, transportation, nuclear industry and other electrical and electronic industries

2.Widely used in a variety of traction motors, submersible motors, nuclear power equipment, high temperature wire and cable, special electrical, fire Busway, gas masks, speaker voice coil bobbin etc.


—-Other size, colors can be customized.
—Length, width, and thickness tolerances may vary by manufacturer

The materials in stock with regular size are generally shipped within 2-5 business days. Can’t find the materials you need? Get a quote or consult more about PVDF Film.

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Why Choose Us

Over the past 20 years in the industry, we have served tens of millions of customers around the world, all over the world,
Our products are highly praised by customers. The company has a strong technical team and maintains close communication and cooperation with international advanced counterparts, so that our products and technologies have always been at the forefront of the world. At the same time, the company is equipped with a complete after-sales team, whether it is a product The choice of materials, or the deep processing of parts, are equipped with professional one-to-one services with more than ten years of industry experience. Choosing us will truly make you worry-free!


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