Top 10 Companies in the Global Films for Electrical Insulation Industry (2025): Market Leaders Enabling Energy Transformation

In Business Insights
June 11, 2025

The Global Films for Electrical Insulation Market was valued at USD 15.8 Billion in 2024 and is projected to reach USD 22.4 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 6.2% during the forecast period (2024–2030). This expansion is driven by rising demand for renewable energy infrastructure, increasing electrification projects worldwide, and advancements in high-performance electrical components across industries.

As the world transitions toward sustainable energy solutions, material science innovators are developing cutting-edge dielectric films that enable safer and more efficient electrical systems. Here we analyze the Top 10 Companies in the Films for Electrical Insulation Industry—market leaders advancing polymer technologies for next-generation applications.


🔟 1. DuPont de Nemours, Inc.

Headquarters: Wilmington, Delaware, USA
Key Products: Kapton® polyimide films, Pyralux® flexible circuits

DuPont leads the high-end electrical insulation film segment with its thermally stable Kapton® films (-269°C to +400°C operating range), serving aerospace, EV battery, and industrial motor applications. The company’s advanced materials enable thinner, more durable insulation solutions for extreme environments.

Technological Advantages:

  • High dielectric strength polyimide formulations
  • Halogen-free flame retardant technologies
  • Customizable film solutions for printed electronics

Download FREE Sample Report: Global Films for Electrical Insulation Market – View in Detailed Research Report


9️⃣ 2. Mitsubishi Chemical Corporation

Headquarters: Tokyo, Japan
Key Products: Lumirror® polyester films, Dialead® dielectric materials

Mitsubishi Chemical holds approximately 25% global market share in capacitor-grade films. The company produces ultra-pure polyester and polypropylene films for power transformers, capacitors, and next-generation electric vehicle components.

Technological Advantages:

  • Nanoparticle-enhanced dielectric capabilities
  • Biodegradable insulation material options
  • 2-5μm ultra-thin film production

8️⃣ 3. Toray Industries, Inc.

Headquarters: Tokyo, Japan
Key Products: Torayfan® BOPP films, Luminror® polyester films

With 17 production plants worldwide, Toray supplies biaxially oriented polypropylene (BOPP) and polyester films for high-voltage cable insulation and power transmission applications. The company’s materials combine high dielectric properties with exceptional mechanical strength.

Technological Advantages:

  • 150°C+ temperature resistant formulations
  • Self-healing dielectric technologies
  • Closed-loop recyclable materials

7️⃣ 4. Toyobo Co., Ltd.

Headquarters: Osaka, Japan
Key Products: Cosmoshine® polyester films, PV backsheets

Toyobo specializes in high-performance polyester films for solar panel applications and electrical insulation. The company’s R&D focuses on enhancing UV resistance and dielectric breakdown strength for renewable energy infrastructure.

Technological Advantages:

  • Enhanced weatherability for outdoor use
  • Low moisture absorption formulations
  • Advanced multi-layer co-extrusion capabilities

Download FREE Sample Report: Global Films for Electrical Insulation Market – View in Detailed Research Report


6️⃣ 5. SKC Inc.

Headquarters: Seoul, South Korea
Key Products: DNF® dielectric films, Hiper® conductive films

Operating the world’s largest polyester film plant, SKC produces high-performance dielectric films for MLCC (multi-layer ceramic capacitors) and flexible electronics. The company’s materials enable component miniaturization in power electronics.

Technological Advantages:

  • High permittivity formulations
  • Ultra-low loss dielectric materials
  • Roll-to-roll vacuum deposition technology

5️⃣ 6. Jindal Films

Headquarters: New Delhi, India
Key Products: BOPP capacitor films, metallized insulation films

As India’s largest BOPP film manufacturer, Jindal Films supplies power capacitors and cable insulation materials to over 80 countries. The company specializes in high energy density solutions for electrical infrastructure.

Technological Advantages:

  • Partial discharge resistant materials
  • Advanced surface treatment processes
  • Customized metallization technologies

4️⃣ 7. Flex Films (UFLEX Group)

Headquarters: Noida, India
Key Products: Capacitor grade BOPP films, thermal laminates

Flex Films produces ultra-clear BOPP films with precisely controlled dielectric properties for film capacitors and electrical tapes. The company operates advanced manufacturing facilities across three continents.

Technological Advantages:

  • 99.9%+ purity polypropylene films
  • Nano-porous dielectric materials
  • Precision surface roughness control

3️⃣ 8. Terphane (Treofan Group)

Headquarters: São Paulo, Brazil
Key Products: Terlux® polyester films, capacitor films

As Latin America’s leading specialty polyester film producer, Terphane supplies high-performance insulation materials for transformers and electric motors across emerging markets.

Technological Advantages:

  • H-Class thermal rating insulation
  • Low shrinkage formulations
  • Regional production optimization

Get Full Report Here: Global Films for Electrical Insulation Market – View in Detailed Research Report


2️⃣ 9. Nan Ya Plastics Corporation

Headquarters: Taipei, Taiwan
Key Products: PET dielectric films, BOPA films

Nan Ya Plastics operates fully integrated production from PTA to finished films, specializing in electrical grade polyester and nylon films for insulation and capacitor applications.

Technological Advantages:

  • High puncture resistance
  • Ultra-low dielectric loss materials
  • Exceptional dimensional stability

1️⃣ 10. COVEME (Mitsui Chemicals Group)

Headquarters: Bologna, Italy
Key Products: Dielectric coated films, PV backsheets

COVEME manufactures specialty coated films featuring outstanding weather resistance and dielectric properties for electrical insulation and solar applications. The company’s fluoropolymer coatings provide exceptional performance in harsh environments.

Technological Advantages:

  • Fluoropolymer extrusion coating
  • Multi-layer composite structures
  • Lightweight flexible systems

🔌 Market Outlook: Insulation Films Powering Electrification

The electrical insulation films sector is undergoing transformative growth driven by global electrification trends and renewable energy expansion. Advanced materials are enabling more compact, efficient, and sustainable electrical systems across industries.

📈 Key Industry Trends:

  • Adoption of sub-5μm dielectric films in EVs and power electronics
  • Development of eco-friendly, recyclable materials
  • Integration of smart film functionalities for condition monitoring
  • Growing demand for 180°C+ thermal class materials
  • Expansion of metallized film capacitor applications

Get Full Report Here: Global Films for Electrical Insulation Market – View in Detailed Research Report

The companies profiled above represent the technological vanguard of electrical insulation materials—their innovations are enabling the global transition to smarter, more sustainable energy systems.