The Global PI Thermal Film Market was valued at USD 364.8 Million in 2025 and is projected to reach USD 602.3 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 5.6% during the forecast period (2026–2034). This robust growth is being propelled by the surging demand for high-performance thermal management solutions in the electronics sector, rapid miniaturization of devices, and the global expansion of 5G infrastructure and advanced semiconductor packaging technologies.

As the electronics industry pushes the boundaries of power density and compact design, the critical role of polyimide (PI) thermal films in ensuring reliability and performance is more pronounced than ever. In this blog, we profile the Top 10 Companies in the PI Thermal Film Industry—a mix of multinational chemical giants and specialized manufacturers shaping the future of thermal management in electronics.

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🔟 1. DuPont de Nemours, Inc.

Headquarters: Wilmington, Delaware, USA
Key Offering: Kapton® polyimide films, Pyralux® flexible laminate systems

DuPont is a global pioneer and undisputed leader in the polyimide film market. Its Kapton® films are industry benchmarks for thermal stability, dielectric strength, and mechanical integrity. The company’s products are essential in applications ranging from flexible printed circuits and high-temperature wire insulation to critical components in aerospace and electric vehicles.

Innovation Initiatives:

• Continuous development of thinner films with enhanced thermal conductivity
• Investment in next-generation materials for semiconductor packaging
• Focus on sustainable manufacturing processes and product lifecycle management

Download FREE Sample Report: PI Thermal Film 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-performance polyimide films under its Apical® brand. The company has a strong presence in Asia, Europe, and North America, serving the flexible printed circuit board (FPCB), automotive, and consumer electronics markets. Kaneka is renowned for its high-purity films that offer excellent dimensional stability and heat resistance.

Innovation Initiatives:

• Expansion of production capacity to meet growing global demand
• Development of films for advanced high-density interconnect (HDI) applications

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8️⃣ 3. PI Advanced Materials Co., Ltd. (Formerly SKC Kolon PI)

Headquarters: Seoul, South Korea
Key Offering: Specialist PI films for flexible displays and semiconductors

PI Advanced Materials is a leading South Korean manufacturer with a dedicated focus on polyimide films. The company is a key supplier to the display and semiconductor industries, providing ultra-thin, high-performance films essential for flexible OLED displays and advanced chip packaging. Its technological prowess positions it as a critical partner for major electronics OEMs.

Innovation Initiatives:

• R&D focused on ultra-thin films (below 10µm) for foldable devices
• Strategic partnerships with global semiconductor and display giants

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7️⃣ 4. UBE Corporation

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

UBE Corporation is another Japanese powerhouse in the PI film market, known for its Upilex® series. These films are characterized by their low thermal expansion, high modulus, and excellent chemical resistance. UBE serves demanding applications in the aerospace, automotive, and electronics industries, with a strong emphasis on product quality and reliability.

Innovation Initiatives:

• Development of films with modified properties for specific high-end applications
• Investment in vertical integration to ensure raw material security

Download FREE Sample Report: PI Thermal Film Market – View in Detailed Research Report

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6️⃣ 5. Taimide Tech Inc.

Headquarters: Taoyuan, Taiwan
Key Offering: Custom-engineered polyimide films and solutions

Taimide Tech is a significant manufacturer based in Taiwan, specializing in the production of a wide range of polyimide films. The company caters to the robust electronics manufacturing ecosystem in Asia, providing films for FPCs, thermal interface materials, and insulating components. Taimide is recognized for its flexibility in producing custom formulations to meet specific customer requirements.

Innovation Initiatives:

• Focus on cost-competitive manufacturing while maintaining high quality
• Expansion of product portfolio to include films with varying thermal and mechanical properties

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5️⃣ 6. Rayitek

Headquarters: Shenzhen, China
Key Offering: High-performance PI films for electronics

Rayitek is a prominent Chinese manufacturer that has grown substantially by serving the domestic electronics market. The company produces a variety of PI films used in consumer electronics, new energy vehicles, and communication equipment. Rayitek benefits from strong local supply chains and growing demand from China’s massive manufacturing sector.

Innovation Initiatives:

• Rapid scaling of production capacity to support local industry growth
• Development of films tailored for 5G communication devices

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4️⃣ 7. Mitsubishi Gas Chemical Company, Inc.

Headquarters: Tokyo, Japan
Key Offering: Engineering plastics and high-performance films

Mitsubishi Gas Chemical is a diversified chemical company with a presence in the high-performance polymers sector. While not exclusively a PI film specialist, it produces advanced materials that compete in high-temperature applications. The company’s strong R&D capabilities and global reach make it a notable player in the market.

Innovation Initiatives:

• Cross-functional R&D leveraging expertise from other advanced material divisions
• Development of multi-functional composite materials

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3️⃣ 8. Saint-Gobain

Headquarters: Courbevoie, France
Key Offering: High-performance materials and solutions

Saint-Gobain, through its various subsidiaries, offers advanced material solutions that include high-temperature resistant films and tapes. The company’s global footprint and application engineering expertise allow it to serve specialized industrial and electronics markets with tailored thermal management solutions.

Innovation Initiatives:

• Integration of PI films into broader system solutions for thermal management
• Focus on sustainability and high-reliability industrial applications

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2️⃣ 9. Rogers Corporation

Headquarters: Chandler, Arizona, USA
Key Offering: Advanced electronic materials, including high-performance substrates

Rogers Corporation is a leading global provider of engineered materials for a variety of demanding applications. While renowned for its high-frequency circuit materials, the company’s expertise in materials science makes it a key innovator in areas requiring thermal management and electrical insulation, leveraging polyimide-based solutions.

Innovation Initiatives:

• Development of materials for advanced automotive radar and power electronics
• Strong focus on R&D for next-generation wireless and power conversion systems

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1️⃣ 10. Von Roll Holding AG

Headquarters: Breitenbach, Switzerland
Key Offering: Electrical insulation materials and systems

Von Roll is a specialist in electrical insulation, producing a wide range of products including polyimide films and tapes. The company serves the industrial, energy, and transportation sectors, where high-temperature resistance and long-term reliability are paramount. Its products are critical in motors, generators, and transformers operating in harsh environments.

Innovation Initiatives:

• Focus on developing insulation systems for high-voltage and high-temperature applications
• Commitment to meeting stringent international safety and quality standards

Get Full Report Here: PI Thermal Film Market – View in Detailed Research Report

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🔬 Outlook: The Future of PI Thermal Film Is Thinner and Smarter

The PI Thermal Film market is undergoing a significant transformation. While standard films continue to serve foundational applications, the industry is heavily investing in advanced formulations, thinner gauges, and composite materials to meet the evolving demands of next-generation electronics.

📈 Key Trends Shaping the Market:

• Accelerating demand for ultra-thin films (below 20µm) for flexible and foldable electronics
• Integration of high-thermal-conductivity fillers to create composite films for high-power devices
• Rising adoption in electric vehicle power electronics and battery systems
• Growing importance in advanced semiconductor packaging, including Fan-Out Wafer Level Packaging (FOWLP)

Get Full Report Here: PI Thermal Film Market – View in Detailed Research Report

The companies profiled above are not only supplying critical materials for today’s electronics—they are actively developing the innovative solutions that will enable the technologies of tomorrow.