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 robust growth is fueled by the surging demand for high-performance insulation materials in renewable energy, electric transportation, and advanced electronics, alongside the accelerating adoption of flexible and high-temperature resistant solutions across industrial and consumer applications.

As the world pivots toward electrification and miniaturization, the demand for reliable electrical insulation has never been greater. In this blog, we profile the Top 10 Companies in the Electrical Grade PI Films Industry—a mix of global chemical giants, specialty material innovators, and regional leaders who are defining the future of electrical insulation and thermal management.

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🔟 1. DuPont de Nemours, Inc.

Headquarters: Wilmington, Delaware, USA
Key Offering: Kapton® polyimide films

DuPont is the global pioneer and leading manufacturer of polyimide films, with its Kapton® brand recognized as the industry standard for high-temperature and electrical insulation. The company’s films are critical in applications ranging from flexible printed circuits (FPCs) to aerospace wiring and electric vehicle batteries.

Innovation Initiatives:

• Continuous R&D investment in next-generation, high-purity PI films

• Expansion of production capacity to meet EV and 5G infrastructure demands

• Focus on sustainable manufacturing processes and circular economy principles

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9️⃣ 2. UBE Corporation

Headquarters: Tokyo, Japan
Key Offering: UPILEX® polyimide films

UBE Corporation is a major global competitor, renowned for its UPILEX® series of polyimide films which offer exceptional thermal stability, chemical resistance, and mechanical strength. The company is a key supplier to the electronics and automotive industries worldwide.

Innovation Initiatives:

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

• Strategic focus on the Asian market, particularly China and South Korea

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8️⃣ 3. Kaneka Corporation

Headquarters: Osaka, Japan
Key Offering: Apical® polyimide films

Kaneka, through its subsidiary Kaneka High-Tech Materials, produces the Apical® line of polyimide films. The company has a strong market presence and offers a diverse portfolio catering to stringent requirements in harsh environments.

Innovation Initiatives:

• Investment in advanced coating technologies for enhanced film performance

• Expansion of its global manufacturing footprint to ensure supply chain resilience

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7️⃣ 4. Mitsui Chemicals, Inc.

Headquarters: Tokyo, Japan
Key Offering: Neopulim® polyimide resins and films

Mitsui Chemicals is a significant player in the high-performance polymers space. While involved in the polyimide value chain, its focus extends to resins and specialized compounds that enable the production of high-grade insulating materials.

Innovation Initiatives:

• Development of low-CTE (Coefficient of Thermal Expansion) films for semiconductor packaging

• Collaborations with downstream electronics manufacturers for customized solutions

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6️⃣ 5. PI Advanced Materials Co., Ltd.

Headquarters: Seoul, South Korea
Key Offering: SKC Kolon PI films

Formerly a joint venture between SKC and Kolon Industries, PI Advanced Materials is now a standalone global leader. The company is one of the top three producers globally, with a strong technological foundation and significant market share.

Innovation Initiatives:

• Heavy investment in R&D for transparent and colorless polyimide films for flexible displays

• Capacity expansion projects to capture growing demand from the electric vehicle sector

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Global Electrical Grade PI Films Market – View in Detailed Research Report

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5️⃣ 6. Rayitek

Headquarters: Shenzhen, China
Key Offering: High-temperature polyimide films

Rayitek is a leading Chinese manufacturer specializing in the research, production, and sales of polyimide films. The company has emerged as a critical domestic supplier, reducing reliance on imports for China’s vast electronics manufacturing sector.

Innovation Initiatives:

• Focus on cost-competitive manufacturing while maintaining high-quality standards

• Government-supported R&D initiatives to advance local material science capabilities

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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

This company is a prominent player in China’s new materials sector, producing polyimide films tailored for heavy-duty applications such as high-speed rail insulation systems and large electrical motors.

Innovation Initiatives:

• Strong integration with China’s high-speed rail and wind power industries

• Development of thick-film PI solutions for extreme environmental conditions

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3️⃣ 8. Taimide Tech Inc.

Headquarters: Hsinchu, Taiwan
Key Offering: Specialty polyimide films and flexible laminates

Taimide Tech is a specialized manufacturer with a strong focus on the electronics industry, particularly in the flexible copper clad laminate (FCCL) market. The company provides high-performance films essential for printed circuit boards.

Innovation Initiatives:

• Expertise in producing PI films with specific dielectric properties for high-frequency applications

• Strategic positioning within Taiwan’s robust semiconductor and electronics ecosystem

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2️⃣ 9. Wuxi Shunxuan New Materials Co., Ltd.

Headquarters: Wuxi, Jiangsu, China
Key Offering: Electrical insulating PI films

Wuxi Shunxuan is a growing manufacturer in the Chinese market, focusing on producing polyimide films that meet the demanding specifications of the domestic electrical and electronic industries.

Innovation Initiatives:

• Rapid scaling of production capacity to serve local demand

• Focus on achieving technical parity with international competitors

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1️⃣ 10. Shenzhen Danbond Technology Co., Ltd.

Headquarters: Shenzhen, China
Key Offering: Polyimide films for flexible electronics

Shenzhen Danbond Technology specializes in the development and production of high-performance polyimide films, with a strong presence in the supply chains for smartphones, wearables, and other consumer electronics.

Innovation Initiatives:

• Focus on ultra-thin films for space-constrained applications

• Leveraging proximity to Shenzhen’s world-leading electronics manufacturing hub

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Global Electrical Grade PI Films Market – View in Detailed Research Report

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🌍 Outlook: The Future of Electrical Grade PI Films Is High-Performance and Ubiquitous

The electrical grade PI films market is experiencing a transformative phase. While traditional applications in motors and generators continue to drive volume, the industry is rapidly innovating to meet the demands of next-generation technologies, including flexible displays, advanced EV batteries, and 5G infrastructure.

📈 Key Trends Shaping the Market:

• Accelerated adoption in electric vehicle battery packs and power modules for thermal management

• Growing demand for ultra-thin films (<20μm) in flexible and foldable electronics

• Increasing stringency of international safety and performance standards for electrical insulation

• Supply chain regionalization efforts, with significant capacity growth in Asia-Pacific

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

The companies listed above are not only supplying essential materials for modern technology—they are laying the insulation foundation for a more electrified and connected world.