The Global Electrical Grade PI Films Market was valued at USD 913.94 Million in 2023 and is projected to reach USD 1,203.92 Million by 2029, growing at a Compound Annual Growth Rate (CAGR) of 4.70% during the forecast period (2024–2029). This significant growth is being driven by escalating demand from the renewable energy sector, rapid expansion of high-speed rail networks, and the critical need for advanced insulation materials in electric vehicles and next-generation electronics.

As industries worldwide pivot toward electrification and energy efficiency, the demand for high-performance insulation materials that can withstand extreme temperatures and harsh operating conditions has never been greater. Electrical Grade Polyimide (PI) Films are at the forefront of this transformation. In this blog, we profile the Top 10 Companies in the Electrical Grade PI Films Industry—pioneers in material science and manufacturing that are enabling the future of clean energy and advanced transportation.

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🔟 1. DuPont

Headquarters: Wilmington, Delaware, USA
Key Offering: Kapton® Polyimide Films

DuPont is a global leader in material science and the original pioneer of polyimide films with its iconic Kapton® brand. For decades, DuPont has set the industry standard for high-temperature, high-performance electrical insulation films used in everything from aerospace wiring to electric vehicle batteries and flexible printed circuits.

Innovation Initiatives:

• Continuous R&D for improved thermal stability and dielectric strength

• Development of thin and ultra-thin films for miniaturized electronics

• Focus on sustainable manufacturing processes

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9️⃣ 2. UBE Corporation

Headquarters: Tokyo, Japan
Key Offering: UPILEX® Polyimide Films

UBE Corporation is a major global supplier of polyimide films, renowned for its UPILEX® series. These films are characterized by their excellent dimensional stability, chemical resistance, and superior electrical properties, making them ideal for demanding applications in the automotive, aerospace, and energy sectors.

Innovation Initiatives:

• Expansion of production capacity to meet growing global demand

• Specialization in films for harsh environment applications

Download FREE Sample Report: Global Electrical Grade PI Films Market – View in Detailed Research Report

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8️⃣ 3. Kaneka Corporation

Headquarters: Osaka, Japan
Key Offering: Apical® Polyimide Films

Kaneka Corporation, through its subsidiary Kaneka High-Tech Materials, is a leading producer of Apical® polyimide films. The company offers a wide range of films tailored for electrical insulation, including standard, high-heat, and transparent variants, serving a diverse global customer base.

Innovation Initiatives:

• Investment in new production lines to enhance market supply

• Development of advanced films for 5G and flexible display applications

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7️⃣ 4. Mitsui Chemicals

Headquarters: Tokyo, Japan
Key Offering: Neopulim® Polyimide Resins and Films

Mitsui Chemicals is a significant player in the high-performance materials market. While known for its resins, the company’s expertise extends to polyimide films used in electrical insulation, leveraging its strong chemical synthesis capabilities to produce materials with exceptional thermal and mechanical properties.

Innovation Initiatives:

• Integration of film production with upstream chemical processes

• Focus on applications within the automotive electrification and semiconductor industries

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6️⃣ 5. PI Advanced Materials (Formerly SKC Kolon PI)

Headquarters: Seoul, South Korea
Key Offering: Various grades of Polyimide Films

PI Advanced Materials is one of the world’s largest manufacturers dedicated solely to polyimide films. The company has a strong technological foundation and a comprehensive product portfolio that caters to the stringent requirements of the electrical and electronics industries.

Innovation Initiatives:

• Significant capital expenditure for capacity expansion

• Strategic focus on the electric vehicle battery market

Get Full Report Here: Global Electrical Grade PI Films Market – View in Detailed Research Report

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5️⃣ 6. Rayitek

Headquarters: Shenzhen, China
Key Offering: HD Micro™ Polyimide Films

Rayitek is a leading Chinese manufacturer of polyimide films, playing a crucial role in the domestic supply chain for high-tech industries. The company produces a range of electrical grade PI films that are essential components in motors, generators, and flexible copper clad laminates (FCCL).

Innovation Initiatives:

• Rapid scaling of production to support China’s renewable energy and high-speed rail sectors

• Development of cost-competitive solutions without compromising on performance

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4️⃣ 7. Zhuzhou Times New Material Technology Co., Ltd.

Headquarters: Zhuzhou, Hunan, China
Key Offering: TMT PI Films for Industrial Applications

As part of the CRRC group, a global leader in rail transit equipment, Zhuzhou Times New Material Technology has deep expertise in materials for high-speed trains. The company develops specialized PI films for insulation systems in traction motors and other critical railway components.

Innovation Initiatives:

• Vertically integrated production tailored for the rail industry

• Close collaboration with end-users to develop application-specific solutions

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3️⃣ 8. Wuxi Shunxuan New Materials Co., Ltd.

Headquarters: Wuxi, Jiangsu, China
Key Offering: Electrical Insulation PI Films

Wuxi Shunxuan New Materials is a specialized manufacturer focused on high-performance polyimide films. The company has established itself as a reliable supplier for various industrial applications, contributing to the localization of advanced material production within China.

Innovation Initiatives:

• Investment in advanced coating and processing technologies

• Expansion into emerging applications such as new energy vehicles

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2️⃣ 9. Taimide Tech Inc.

Headquarters: Hsinchu, Taiwan
Key Offering: Taimide® Polyimide Films and Solutions

Taimide Tech is a prominent Taiwanese manufacturer with a strong focus on polyimide-based products. The company offers a diverse range of PI films designed for electrical insulation, particularly in demanding environments found in aerospace, automotive, and electronics.

Innovation Initiatives:

• Specialization in custom-engineered film solutions

• Strong R&D focus on enhancing film performance for next-generation technologies

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1️⃣ 10. Mitsubishi Gas Chemical Company, Inc. (MGC)

Headquarters: Tokyo, Japan
Key Offering: BAXTER® Polyimide Films

Mitsubishi Gas Chemical is a leading Japanese chemical company with a significant presence in the advanced materials sector. Its BAXTER® polyimide films are known for their high reliability and are widely used in electrical insulation applications across various industries.

Innovation Initiatives:

• Leveraging strong chemical research capabilities for product development

• Strategic focus on high-growth segments like electric vehicle power modules

Get Full Report Here: Global Electrical Grade PI Films Market – View in Detailed Research Report

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🌍 Outlook: The Future of Electrical Grade PI Films Is Driven by Electrification and Sustainability

The Electrical Grade PI Films market is undergoing a profound transformation. As the global push for decarbonization intensifies, the demand for high-efficiency motors, generators, and power systems is surging. PI films are indispensable in this shift, providing the thermal and electrical integrity required for next-generation technologies.

📈 Key Trends Shaping the Market:

• Exponential growth in wind power generation capacity worldwide, driving demand for reliable generator insulation

• Global expansion of high-speed rail networks, particularly in Asia-Pacific, requiring advanced motor insulation systems

• Rapid electrification of the automotive industry, with PI films critical for EV traction motors and battery systems

• Advancements in film technology leading to thinner, stronger, and more thermally conductive materials

Get Full Report Here: Global Electrical Grade PI Films Market – View in Detailed Research Report

The companies listed above are not only supplying critical materials for today’s industries—they are enabling the technological advancements that will define a more efficient and electrified future.