The Global Electrical Insulation Film Market was valued at USD 1.51 Billion in 2025 and is projected to reach USD 2.68 Billion by 2032, growing at a Compound Annual Growth Rate (CAGR) of 7.4% during the forecast period (2025–2032). This robust growth is propelled by the increasing electrification of transportation, the global expansion of renewable energy infrastructure, and the relentless demand for miniaturized, high-performance electronics.

As the world transitions toward smarter, more connected, and energy-efficient technologies, the demand for reliable electrical insulation has never been greater. In this blog, we profile the Top 10 Companies in the Electrical Insulation Film Industry—a strategic mix of long-established chemical giants and innovative material specialists who are defining the future of electrical safety and performance.

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🔟 1. DuPont de Nemours, Inc.

Headquarters: Wilmington, Delaware, USA
Key Offering: Kapton® Polyimide Films, Nomex® Fiber, Tedlar® PVF Films

DuPont is a global leader in high-performance materials, with its electronics and industrial segment being a cornerstone of the insulation film market. The company’s Kapton® polyimide films are renowned for their exceptional thermal stability, chemical resistance, and dielectric strength, making them indispensable in applications ranging from flexible printed circuits and electric vehicle motors to aerospace wiring. DuPont’s extensive R&D capabilities ensure a continuous pipeline of advanced materials tailored for next-generation technologies.

Innovation Initiatives:

• Development of next-generation polyimide films for high-temperature capacitor applications

• Expansion of production capacity to meet soaring demand from the EV and 5G sectors

• Commitment to sustainable product development with a focus on recyclability and reducing environmental impact

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9️⃣ 2. TORAY Industries, Inc.

Headquarters: Tokyo, Japan
Key Offering: Luminror® PET Films, TORAYCA® Carbon Fiber Composites, Polyimide Films

TORAY is a Japanese multinational renowned for its advanced materials, holding a significant share of the global insulation film market. The company’s Luminror® series of polyester (PET) films are widely used for their excellent electrical properties, mechanical strength, and dimensional stability. TORAY’s strong presence in Asia, coupled with its vertical integration from raw materials to finished films, gives it a competitive edge in supplying the region’s massive electronics and automotive manufacturing base.

Innovation Initiatives:

• Investment in nanotechnology to enhance the dielectric and thermal properties of its film products

• Strategic focus on developing films for high-voltage power transmission and energy storage systems

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8️⃣ 3. Victrex plc

Headquarters: Lancashire, United Kingdom
Key Offering: VICTREX® PEEK (Polyether Ether Ketone) Films and Polymers

Victrex is a world leader in high-performance polyketone polymers, particularly its VICTREX PEEK films. These films offer an exceptional combination of high-temperature resistance, flame retardancy, and excellent electrical insulation properties, even in harsh chemical environments. Victrex’s materials are critical in demanding applications such as aerospace wiring, downhole oil and gas equipment, and high-performance automotive sensors.

Innovation Initiatives:

• Ongoing development of PEEK-based composite films for lightweighting in electric aircraft and vehicles

• Collaborations with major OEMs to create application-specific insulation solutions

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7️⃣ 4. Von Roll Holding AG

Headquarters: Zurich, Switzerland
Key Offering: Mica-based Insulation Films, Composite Tapes, Varnishes, and Laminates

Von Roll is a specialist in electrical insulation systems with a rich history dating back over 150 years. The company is a dominant player in mica-based insulation products, which are prized for their outstanding thermal endurance and high dielectric strength. Von Roll supplies a comprehensive portfolio of films, tapes, and sheets that are essential for insulating large rotating machinery, transformers, and industrial motors, serving the heavy electrical industry globally.

Innovation Initiatives:

• Development of environmentally friendly, halogen-free insulation systems

• Focus on high-voltage insulation solutions for grid modernization and renewable energy projects

Download FREE Sample Report:
Electrical Insulation Film Market – View in Detailed Research Report

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6️⃣ 5. Mitsubishi Chemical Corporation

Headquarters: Tokyo, Japan
Key Offering: Polyester (PET) Films, Polycarbonate Films, Engineering Plastics

Mitsubishi Chemical, one of Japan’s largest chemical companies, is a major supplier of high-quality electrical insulation films. Its diverse product line includes a wide range of PET films used in capacitors, flexible circuits, and motors. The company leverages its strong R&D and large-scale production capabilities to serve a global customer base, with a significant focus on the high-growth electronics and automotive sectors in Asia.

Innovation Initiatives:

• Development of ultra-thin capacitor films for miniaturized electronics

• Investment in bio-based and recyclable polymer film technologies

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5️⃣ 6. Nitto Denko Corporation

Headquarters: Osaka, Japan
Key Offering: Flexible Printed Circuit (FPC) Materials, Polyimide Tapes, Thermal Interface Materials

Nitto Denko is a leading global manufacturer of adhesive tapes and functional films, with a strong position in the high-performance electrical insulation segment. Its range of polyimide films and tapes are critical for insulating flexible circuits, lithium-ion batteries, and motors in consumer electronics and electric vehicles. Nitto is known for its precision engineering and ability to produce films with consistent quality for high-volume manufacturing.

Innovation Initiatives:

• Pioneering work on thermally conductive but electrically insulating films for advanced battery thermal management

• Expansion of product lines for next-generation display and semiconductor packaging applications

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4️⃣ 7. Jindal Poly Films Limited

Headquarters: New Delhi, India
Key Offering: Biaxial Oriented Polypropylene (BOPP) Films, PET Films, Metalized Films

Jindal Poly Films is one of India’s largest producers of plastic films and a significant player in the global market for capacitor films. The company’s BOPP films are extensively used as dielectric media in capacitors for power electronics, consumer appliances, and industrial drives. With substantial manufacturing capacity and a cost-competitive position, Jindal is a key supplier to both domestic and international markets.

Innovation Initiatives:

• Capacity expansion to cater to the growing demand for capacitors in renewable energy inverters and EV chargers

• Development of specialty films with enhanced dielectric properties for high-frequency applications

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3️⃣ 8. Sichuan Dongfang Insulating Material Co., Ltd.

Headquarters: Deyang, Sichuan, China
Key Offering: Mica Paper, Mica Tapes, Composite Insulation Materials

Sichuan Dongfang is a major Chinese manufacturer specializing in mica-based insulation materials. The company produces a wide array of insulation films, tapes, and boards that are essential for high-temperature applications in electric motors, generators, and transformers. As a key domestic supplier in the world’s largest market for electrical equipment, Sichuan Dongfang benefits from China’s massive investments in power infrastructure and industrial automation.

Innovation Initiatives:

• Focus on producing cost-effective, high-performance mica products for the domestic and Southeast Asian markets

• Integration of advanced manufacturing processes to improve product consistency and performance

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2️⃣ 9. Covestro AG

Headquarters: Leverkusen, Germany
Key Offering: Polycarbonate Films, Bayfol® Composite Films, Polyurethane Dispersions

Covestro, a spin-off from Bayer, is a leading producer of high-tech polymer materials. The company’s range of polycarbonate films offers excellent electrical insulation properties along with high impact strength and transparency. These films are used in diverse applications, including electrical enclosures, touch screens, and LED lighting. Covestro’s strong European base and global presence make it a key supplier to the automotive, electronics, and electrical industries.

Innovation Initiatives:

• Development of flame-retardant, halogen-free polycarbonate films for enhanced safety in electronics

• Investment in circular economy initiatives, including the production of films using alternative raw materials

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1️⃣ 10. 3M Company

Headquarters: Saint Paul, Minnesota, USA
Key Offering: Electrical Tapes, VHB™ Tapes, Acrylic Adhesives, Specialty Films

3M is a diversified technology company with a vast portfolio of adhesive tapes and films used for electrical insulation. While not a primary producer of base polymer films, 3M is a global leader in converting these materials into value-added, application-ready products. Its extensive line of electrical tapes, including its famous Scotch® brand, provides critical insulation and protection for wire harnessing, motor manufacturing, and electronic assembly across all industries.

Innovation Initiatives:

• Continuous development of new adhesive technologies for improved high-temperature performance and durability

• Focus on creating easy-to-apply insulation solutions that improve manufacturing efficiency and reliability

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Electrical Insulation Film Market – View in Detailed Research Report

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🌍 Outlook: The Future of Electrical Insulation Films Is Thinner, Smarter, and More Sustainable

The electrical insulation film market is in the midst of a significant evolution. While traditional PET and polyimide films continue to serve foundational applications, the industry is rapidly advancing toward nanomaterial-enhanced composites, bio-based polymers, and films with integrated smart functionalities.

📈 Key Trends Shaping the Market:

• Accelerated adoption of polyimide and PEEK films in electric vehicle powertrains and battery systems

• Growing demand for ultra-thin capacitor films driven by the miniaturization of consumer electronics

• Increased regulatory pressure and consumer demand for halogen-free, environmentally sustainable insulation materials

• Integration of insulation films with sensors for real-time health monitoring of electrical assets (Digital Twin technology)

Get Full Report Here:
Electrical Insulation Film Market – View in Detailed Research Report

The companies profiled above are not merely supplying materials—they are enabling the electrification of our world and building the foundation for a safer, more connected, and energy-efficient future.