The Global PI Film for Electrical Equipment Market was valued at USD 250 Million in 2025 and is projected to reach USD 369 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 5.8% during the forecast period (2026-2034). This growth is being driven by the escalating demand for energy-efficient electrical systems, the expansion of renewable energy infrastructure, and the rapid electrification of the automotive industry.

As the world advances towards smarter grids, electric mobility, and high-performance electronics, the role of advanced insulating materials has never been more critical. Polyimide (PI) film stands out for its exceptional thermal stability, dielectric strength, and mechanical durability. In this blog, we profile the Top 10 Companies in the PI Film for Electrical Equipment Industry—a group of chemical innovators and material science leaders shaping the future of electrical insulation.

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🔟 1. DuPont de Nemours, Inc.

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

DuPont is a global pioneer and the leading manufacturer of polyimide films, with its Kapton® brand being synonymous with high-performance insulation. The company’s films are essential in a vast range of electrical equipment, from electric vehicle motors and power transformers to flexible printed circuits in consumer electronics. DuPont’s extensive R&D ensures its products meet the most demanding thermal and electrical specifications.

Innovation & Market Leadership:

• Global leader in electronic-grade PI film production

• Continuous development of thinner, higher-performance film variants

• Strategic focus on materials for electrification and 5G infrastructure

Download FREE Sample Report: PI Film for Electrical Equipment Market – View in Detailed Research Report

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9️⃣ 2. Kaneka Corporation

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

Kaneka is a major global supplier of high-quality PI films, competing directly with industry leaders. Its Apical® series of films are renowned for their excellent thermal resistance, dimensional stability, and mechanical properties, making them a preferred choice for harsh environment applications in the electrical and electronics sectors.

Innovation & Market Leadership:

• Significant investments in expanding production capacity to meet growing demand

• Strong focus on the Asian market, a hub for electrical equipment manufacturing

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8️⃣ 3. SKC Kolon PI

Headquarters: Seoul, South Korea
Key Offering: Polyimide Films for FPC and Insulation

SKC Kolon PI, a joint venture between SKC and Kolon Industries, is a powerhouse in the PI film market. The company specializes in both electronic-grade films for flexible printed circuits and robust electrical-grade films for insulation in motors and generators, leveraging strong technological capabilities from its parent companies.

Innovation & Market Leadership:

• Rapidly expanding market share with competitive pricing and quality

• Key supplier to the booming EV and display industries in Asia

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7️⃣ 4. UBE Corporation

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

UBE Corporation is a leading chemical manufacturer with a strong presence in the PI film market through its Upilex® brand. These films are known for their superior thermal and chemical resistance, making them ideal for demanding electrical insulation applications, including automotive and aerospace systems.

Innovation & Market Leadership:

• Focus on high-purity, high-performance films for critical applications

• Integrated production from raw materials to finished film

Download FREE Sample Report: PI Film for Electrical Equipment Market – View in Detailed Research Report

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6️⃣ 5. PI Advanced Materials

Headquarters: Gyeonggi-do, South Korea
Key Offering: CPI (Colorless Polyimide) and Standard PI Films

Formerly a part of SKC, PI Advanced Materials is a dedicated manufacturer focusing on innovation in polyimide films. The company produces a wide range of films, including advanced Colorless Polyimide (CPI) for flexible displays, alongside standard grades for reliable electrical insulation.

Innovation & Market Leadership:

• Pioneering development of next-generation CPI films

• Strong technical support and customization capabilities for clients

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5️⃣ 6. Taimide Tech Inc.

Headquarters: Hsinchu, Taiwan
Key Offering: Specialty Polyimide Films and Tapes

Taimide Tech is a significant player, particularly known for its ability to produce both electrical and electronic-grade PI films. The company serves a global clientele with products tailored for high-temperature insulation, contributing to its strong reputation for quality and consistency.

Innovation & Market Leadership:

• Versatile manufacturing capabilities catering to diverse application needs

• Established presence in the global supply chain for electrical components

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4️⃣ 7. Mitsubishi Gas Chemical Company (MGC)

Headquarters: Tokyo, Japan
Key Offering: Bio-based and Standard Polyimide Films

MGC is a diversified chemical company with a growing footprint in the high-performance materials sector. It offers standard PI films and is also investing in innovative, more sustainable alternatives, including bio-based polyimides, aligning with global environmental trends.

Innovation & Market Leadership:

• R&D into environmentally friendly polymer solutions

• Leveraging strong chemical synthesis expertise for product development

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3️⃣ 8. I.S.T Corporation

Headquarters: Taoyuan City, Taiwan
Key Offering: Metal-clad and Flexible PI Laminates

I.S.T Corporation specializes in advanced polyimide-based materials, including flexible copper-clad laminates (FCCL) used in printed circuit boards. Their expertise lies in creating composite materials that combine the superior properties of PI film with other functional layers for complex electronic applications.

Innovation & Market Leadership:

• Specialization in high-value-added PI composite products

• Strong positioning in the electronics manufacturing value chain

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2️⃣ 9. Rayitek Hi-tech Film Co., Ltd.

Headquarters: Guangdong, China
Key Offering: Electrical and Electronic Grade PI Films

Rayitek is a leading Chinese manufacturer that has rapidly developed the capability to produce both electrical and electronic-grade PI films. The company is a key domestic supplier, supporting China’s massive manufacturing sector for electrical equipment and consumer electronics.

Innovation & Market Leadership:

• Rapid scaling of production capacity to serve the local market

• Focus on cost-competitive manufacturing while improving quality standards

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1️⃣ 10. Jiangsu Yabao Pharmaceutical Co., Ltd. (Yabao New Materials)

Headquarters: Jiangsu, China
Key Offering: PI Film for Electrical Insulation

Jiangsu Yabao, through its new materials division, has entered the PI film market, focusing primarily on the electrical-grade segment. The company represents the growing capability of Chinese manufacturers to produce essential high-performance materials for the domestic industrial sector.

Innovation & Market Leadership:

• Expanding presence in the cost-sensitive electrical insulation market

• Contributing to the localization of supply chains within China

Get Full Report Here: PI Film for Electrical Equipment Market – View in Detailed Research Report

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🔌 Outlook: The Future of PI Film Is Smarter and More Sustainable

The PI film for electrical equipment market is evolving beyond traditional insulation. While robust thermal and dielectric properties remain paramount, the industry is pushing towards advanced functionalities and greener production to meet next-generation demands.

📈 Key Trends Shaping the Market:

• Development of hybrid and nanocomposite PI films for enhanced thermal conductivity and EMI shielding

• Rising demand for ultra-thin films to enable miniaturization in electronics and EV power systems

• Growing investment in bio-based and more sustainable PI film production processes

• Increased customization and technical collaboration between film manufacturers and electrical equipment OEMs

Get Full Report Here: PI Film for Electrical Equipment Market – View in Detailed Research Report

The companies listed above are not only supplying a critical material—they are enabling the technological advancement of global electrification.