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 growth is driven by the relentless miniaturization of electronics, the global expansion of 5G infrastructure, and the increasing demand for high-performance thermal management solutions in sectors ranging from consumer electronics to electric vehicles.

As the electronics industry evolves toward higher power densities and greater reliability, the emphasis is on the key material suppliers who are driving innovation in heat dissipation and electrical insulation. In this blog, we profile the Top 10 Companies in the PI Thermal Film Industry—a mix of chemical giants, specialized material scientists, and regional leaders shaping the future of advanced electronic components.

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🔟 1. DuPont de Nemours, Inc.

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

DuPont is the global pioneer and leader in polyimide films, with its Kapton® brand being the industry standard for high-temperature stability and reliability. The company’s films are critical in applications from flexible printed circuits to aerospace wiring, serving virtually every major electronics and industrial OEM worldwide.

Innovation Initiatives:

• Continuous development of thinner films with enhanced thermal and mechanical properties

• R&D focus on high-thermal-conductivity formulations for next-generation power electronics

• Strategic investments in supply chain resilience to meet soaring global demand

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9️⃣ 2. Kaneka Corporation

Headquarters: Osaka, Japan
Key Offering: Apical® Polyimide Films, High-Temperature Substrates

Kaneka is a major global competitor, renowned for its Apical® series of polyimide films. The company holds a significant market share, particularly in Asia, and is known for its high-purity films that are essential for advanced semiconductor packaging and high-frequency communication devices.

Innovation Initiatives:

• Aggressive capacity expansion to cater to the semiconductor and display industries

• Development of low-CTE (Coefficient of Thermal Expansion) films for improved dimensional stability

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8️⃣ 3. PI Advanced Materials (formerly SKC Kolon PI)

Headquarters: Seoul, South Korea
Key Offering: High-Performance PI Films for FPCs and COF

PI Advanced Materials is a specialist manufacturer and a key supplier to South Korea’s vibrant electronics ecosystem, including leading smartphone and display manufacturers. The company excels in producing ultra-thin films critical for Chip-On-Film (COF) and complex flexible circuits.

Innovation Initiatives:

• Focus on films below 15µm thickness for next-generation foldable devices

• Strong R&D partnership with local semiconductor and display giants

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7️⃣ 4. UBE Corporation

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

UBE Corporation is a vertically integrated chemical company with a strong position in the high-end PI film market. Its Upilex® films are known for exceptional mechanical strength and thermal endurance, making them preferred for demanding applications in automotive and industrial sectors.

Innovation Initiatives:

• Investment in new production lines to increase capacity for high-growth markets

• Development of films with tailored surface properties for improved adhesion

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PI Thermal Film Market – View in Detailed Research Report

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6️⃣ 5. Taimide Tech Inc.

Headquarters: Hsinchu, Taiwan
Key Offering: Specialty Polyimide Films, Customized Solutions

Taimide Tech is a key Taiwan-based manufacturer specializing in high-performance and application-specific PI films. The company serves a global clientele with a focus on providing tailored solutions for thermal management, insulation, and flexible circuitry.

Innovation Initiatives:

• Expertise in developing films for high-frequency and high-speed applications

• Strong customer collaboration model for developing bespoke film properties

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5️⃣ 6. Rayitek

Headquarters: Shenzhen, China
Key Offering: Roll-to-Roll PI Films for Flexible Electronics

Rayitek is a leading Chinese manufacturer that has grown significantly by supplying the domestic electronics market. The company specializes in producing PI films via advanced roll-to-roll processes, catering to the massive demand for flexible printed circuits and consumer electronics.

Innovation Initiatives:

• Rapid scaling of production capacity to support China’s electronics sovereignty goals

• Focus on cost-competitive manufacturing while maintaining quality standards

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4️⃣ 7. Mitsubishi Gas Chemical Company, Inc.

Headquarters: Tokyo, Japan
Key Offering: Neopulim® L-type Polyimide Films

Mitsubishi Gas Chemical is a significant player known for its Neopulim® films, which offer excellent thermal stability and electrical properties. The company leverages its chemical expertise to serve demanding applications in the automotive and telecommunications industries.

Innovation Initiatives:

• Development of transparent polyimide films for flexible displays

• Research into novel polyimide chemistries for improved performance

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3️⃣ 8. Saint-Gobain

Headquarters: Courbevoie, France
Key Offering: Specialty Polymer Films, Including High-Temperature Variants

Saint-Gobain, through its Performance Plastics division, offers a range of high-performance polymer films, including solutions that compete in the high-temperature space. The company’s global reach and material science expertise make it a notable player in specialized industrial applications.

Innovation Initiatives:

• Application engineering support for complex thermal and electrical challenges

• Focus on sustainable material solutions and manufacturing processes

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

Headquarters: Wuxi, China
Key Offering: PI Film for Electronic Applications

Wuxi Shunxuan is an emerging Chinese manufacturer focused on supplying the domestic market for electronic components. The company is part of China’s broader strategy to build a self-reliant supply chain for critical materials like polyimide films.

Innovation Initiatives:

• Expansion of production capabilities to reduce import reliance

• Development of films suitable for a wide range of electronic applications

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1️⃣ 10. Shandong Wanda Microelectronics Co., Ltd.

Headquarters: Jinan, China
Key Offering: PI Films for Microelectronics and Insulation

Shandong Wanda Microelectronics is a key Chinese player specializing in materials for the microelectronics industry. The company produces PI films that meet the stringent requirements for insulation and thermal management in advanced electronic devices.

Innovation Initiatives:

• Focus on high-purity films for semiconductor and microelectronic packaging

• Active participation in national projects for advanced material development

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PI Thermal Film Market – View in Detailed Research Report

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🌍 Outlook: The Future of PI Thermal Film Is Thinner, Smarter, and More Integrated

The PI Thermal Film market is undergoing a fundamental transformation. While standard films continue to serve high-volume applications, the industry is aggressively investing in advanced material science, nanotechnology, and production technologies to meet the demands of next-generation electronics.

📈 Key Trends Shaping the Market:

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

• Integration of nanomaterials like boron nitride and graphene to create high-thermal-conductivity composite films

• Geographic shift in manufacturing and consumption dominance toward the Asia-Pacific region

• Increased collaboration between film manufacturers and electronics OEMs for co-development of application-specific solutions

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

The companies listed above are not only supplying critical materials for today’s electronics—they are enabling the technological leaps that will define tomorrow’s connected world.