The Global Corona Resistant PI Film Market was valued at USD 298.5 Million in 2023 and is projected to reach USD 512.7 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 8.0% during the forecast period (2023–2030). This growth is being driven by surging demand for flexible electronics, the expansion of 5G infrastructure, electric vehicle production, and the need for reliable insulation materials in high-voltage applications across consumer devices, automotive, and industrial sectors.

As the electronics industry evolves toward smaller, more efficient, and high-reliability components, attention turns to specialized materials like corona resistant polyimide (PI) films that enhance durability and performance under electrical stress. In this blog, we profile the Top 10 Companies in the Corona Resistant PI Film Industry—a blend of established chemical conglomerates, innovative material specialists, and regional powerhouses pioneering advancements in thin-film technologies for flexible printed circuits and beyond.

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🔟 1. DuPont

Headquarters: Wilmington, Delaware, USA
Key Offering: Kapton® CR Corona Resistant PI Films, Thin-Film Solutions for FPC and COF

DuPont stands as a pioneer in advanced materials, with its Kapton® series of corona resistant PI films widely used in demanding applications like flexible printed circuits (FPC) and chip-on-film (COF) packaging. These films provide exceptional dielectric strength and resistance to partial discharge, ensuring longevity in high-frequency electronics such as smartphones, wearables, and aerospace components. The company’s commitment to R&D has led to innovations that support miniaturization trends in consumer electronics.

DuPont’s films are engineered to withstand voltages up to 10 kV, making them ideal for next-generation power inverters in electric vehicles. Furthermore, their global supply chain ensures consistent quality for manufacturers in Asia and North America.

Technological Advancements:

• Development of ultra-thin films under 10 µm for 5G antennas

• Partnerships with electronics OEMs for custom corona resistance formulations

• Investment in sustainable production processes to reduce environmental impact

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

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9️⃣ 2. Kaneka Corporation

Headquarters: Tokyo, Japan
Key Offering: Apical® Corona Resistant PI Films, High-Thermal Stability Options

Kaneka Corporation is a key player in the Japanese materials sector, renowned for its Apical® PI films that offer superior corona resistance for applications in high-voltage wiring and flexible circuits. Serving major electronics firms, Kaneka’s products are integral to COF processes in display manufacturing and automotive sensors, where reliability under electrical stress is paramount.

With a focus on Asia-Pacific markets, Kaneka has expanded production capacities to meet the rising needs of electric vehicle battery management systems. Their films demonstrate excellent adhesion to copper foils, facilitating efficient assembly in compact devices. However, the company continues to address challenges like cost reduction through optimized manufacturing.

Technological Advancements:

• Enhancements in film thickness control for films between 10-20 µm

• Collaborations with semiconductor leaders for COF integration

• Ongoing R&D for eco-friendly PI variants

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8️⃣ 3. Isovolta AG

Headquarters: Wolfsberg, Austria
Key Offering: Specialized Corona Resistant PI Films for Industrial Applications

Isovolta AG, a European specialist in technical films, provides corona resistant PI solutions tailored for harsh environments, including renewable energy inverters and medical devices. Their products excel in partial discharge resistance, supporting the shift toward high-power density electronics in Europe.

The company’s emphasis on quality standards like ISO 9001 ensures reliability for FPC in telecommunications equipment. As demand grows in wind and solar power sectors, Isovolta is scaling up to offer films greater than 20 µm thick for robust insulation needs.

Technological Advancements:

• Introduction of multi-layer PI structures for enhanced durability

• Strategic alliances with European auto suppliers for EV applications

• Focus on recyclability in film production

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7️⃣ 4. Krempel GmbH

Headquarters: Stuttgart, Germany
Key Offering: PI Films with High Corona Resistance for Automotive and Aerospace

Krempel GmbH delivers premium corona resistant PI films used extensively in electric motors and flexible heaters. Their materials support the European push for sustainable mobility, providing insulation that withstands corona effects in high-speed motors.

Operating from a strong base in Germany, Krempel serves global clients with customized thicknesses, from thin films for wearables to thicker variants for industrial uses. Recent expansions include facilities for increased output to meet regulatory demands for energy-efficient components.

Technological Advancements:

• Advancements in low-dielectric constant PI for faster signal transmission

• Partnerships for aerospace-grade corona resistant materials

• Commitment to carbon-neutral manufacturing by 2030

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

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6️⃣ 5. American Durafilm

Headquarters: Darien, Connecticut, USA
Key Offering: Custom Corona Resistant PI Films for Electronics and Medical

American Durafilm specializes in precision-engineered PI films that resist corona degradation, catering to North American markets in flexible circuits and medical sensors. Their offerings are crucial for devices requiring long-term stability under electrical loads.

The company leverages advanced coating technologies to produce films that integrate seamlessly into FPC designs for IoT devices. With a growing emphasis on customization, American Durafilm is well-positioned to capitalize on the U.S. reshoring of electronics manufacturing.

Technological Advancements:

• Development of antimicrobial PI films for healthcare applications

• Expansion in thin-film production under 10 µm

• Investments in U.S.-based R&D centers

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5️⃣ 6. Zhuzhou Times New Material Technology

Headquarters: Zhuzhou, China
Key Offering: Cost-Effective Corona Resistant PI Films for Consumer Electronics

Zhuzhou Times New Material Technology is a rising star in China’s materials landscape, providing affordable yet high-performance PI films for FPC in smartphones and tablets. Their corona resistant properties ensure reliable performance in high-density interconnects.

Benefiting from China’s vast manufacturing ecosystem, the company has rapidly increased market share through efficient supply chains and innovation in film uniformity. This positions them strongly in the Asia-Pacific region, where electronics production is booming.

Technological Advancements:

• Optimization for COF in display technologies

• Scale-up of production for EV electronics

• Collaborations with local universities for material science breakthroughs

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4️⃣ 7. Suzhou Kying Industrial Materials

Headquarters: Suzhou, China
Key Offering: Advanced PI Films for High-Voltage Applications

Suzhou Kying Industrial Materials focuses on PI films that excel in corona resistance for power electronics, including inverters and transformers. Their products are vital for the electrification trend in Asia’s automotive sector.

With a dedication to quality control, Kying supplies films across various thicknesses, supporting diverse applications from consumer gadgets to industrial machinery. The firm’s growth is fueled by strategic investments in automation for precise film extrusion.

Technological Advancements:

• Innovation in hybrid PI composites for better thermal management

• Export expansions to Southeast Asia

• R&D into thinner films for flexible displays

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

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3️⃣ 8. Tianjin YiHang Electronic Technology

Headquarters: Tianjin, China
Key Offering: Specialized Corona Resistant Films for Semiconductor Packaging

Tianjin YiHang Electronic Technology provides PI films optimized for COF and wire bonding in semiconductors, offering robust corona resistance for high-reliability chips used in telecommunications and computing.

The company’s proximity to key tech hubs in China enables quick response to market needs, particularly in 5G base stations and data centers. YiHang’s films are noted for their low moisture absorption, enhancing performance in humid environments.

Technological Advancements:

• Enhancements for ultra-fine pitch COF applications

• Partnerships with chipmakers for integrated solutions

• Focus on sustainable sourcing of raw materials

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2️⃣ 9. Guangzhou Ruide Technologie

Headquarters: Guangzhou, China
Key Offering: Versatile PI Films for FPC and Industrial Uses

Guangzhou Ruide Technologie excels in producing corona resistant PI films for a range of applications, from flexible circuits in wearables to insulation in motors. Their competitive pricing has gained traction in emerging markets.

Ruide’s engineering team develops films that balance cost and performance, making them suitable for mid-range electronics. As global supply chains diversify, the company is investing in international certifications to broaden its reach.

Technological Advancements:

• Development of films over 20 µm for heavy-duty insulation

• Integration with smart manufacturing for quality assurance

• Exploration of bio-based additives for PI films

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1️⃣ 10. Wuxi Shun Xuan New Materials

Headquarters: Wuxi, China
Key Offering: High-Performance Corona Resistant PI for Advanced Electronics

Wuxi Shun Xuan New Materials leads in innovative PI film solutions, supplying corona resistant variants for high-end FPC in AI hardware and renewable energy systems. Their products are designed for extreme conditions, ensuring minimal degradation over time.

Positioned in China’s innovation corridor, Shun Xuan collaborates with tech giants to push boundaries in film thickness and electrical properties. This forward-thinking approach solidifies their role in the global supply chain for next-gen devices.

Technological Advancements:

• Pioneering nano-enhanced PI for superior corona resistance

• Global distribution networks for timely delivery

• Commitment to R&D for 6G-compatible materials

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

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🌍 Outlook: The Future of Corona Resistant PI Film Is More Advanced and Reliable

The corona resistant PI film market is experiencing transformative changes. Traditional applications continue to grow, but investments are pouring into ultra-thin, high-performance variants to support emerging technologies like flexible displays and advanced EVs.

📈 Key Trends Shaping the Market:

• Rapid adoption of thin films under 10 µm in 5G and IoT devices

• Regulatory incentives for energy-efficient materials in Europe and Asia

• Digital twins and AI in film development for precise property optimization

• Strategic alliances between material suppliers and electronics manufacturers

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

The companies highlighted here are not only supplying essential materials for today’s electronics—they’re engineering the resilient foundations for tomorrow’s innovations.