The Global Photovoltaic Polyester Film Market was valued at USD 2.1 Billion in 2025 and is projected to reach USD 3.8 Billion by 2034, growing at a Compound Annual Growth Rate (CAGR) of 6.7% during the forecast period (2025–2034). This robust growth is being driven by the global transition to renewable energy, aggressive solar capacity expansion targets, supportive government policies, and the critical role of durable backsheet materials in extending the lifespan of solar panels.

As the solar industry accelerates toward terawatt-scale installations, the demand for high-performance, reliable components is surging. Photovoltaic polyester film, a key material for panel backsheets and frontsheets, is at the heart of this expansion. In this blog, we profile the Top 10 Companies in the Photovoltaic Polyester Film Industry—a mix of global chemical giants, specialized film manufacturers, and regional leaders shaping the future of solar module durability and efficiency.

---

🔟 1. Toray Industries, Inc.

Headquarters: Tokyo, Japan
Key Offering: Lumirror® Polyester Films for PV Backsheets

Toray is a global leader in advanced materials, and its Lumirror® brand of polyester films is renowned for high weather resistance, electrical insulation, and dimensional stability. The company supplies films to major solar panel manufacturers worldwide, with a strong focus on developing products that enhance module longevity and performance in harsh environments.

Technology & Innovation Initiatives:

• Development of UV-resistant and hydrolysis-resistant film grades

• Investment in high-volume production capacity across Asia and Europe

• Focus on films compatible with next-generation heterojunction and bifacial modules

Download FREE Sample Report:
Photovoltaic Polyester Film Market – View in Detailed Research Report

---

9️⃣ 2. SKC

Headquarters: Seoul, South Korea
Key Offering: Hi-Window® PV Backsheet Films

SKC is a major South Korean chemical company with a significant presence in the polyester film market. Its Hi-Window® films are engineered specifically for photovoltaic applications, offering excellent moisture barrier properties and long-term weatherability, which are crucial for maintaining panel efficiency over 25+ years.

Technology & Innovation Initiatives:

• Expansion of transparent conductive film (TCF) production for thin-film PV

• Strategic partnerships with global backsheet laminators and module makers

---

8️⃣ 3. 3M Company

Headquarters: St. Paul, Minnesota, USA
Key Offering: 3M™ Photovoltaic Film Solutions

3M brings its extensive expertise in adhesives and specialty films to the solar industry. The company provides high-performance films used in backsheet construction, offering solutions that meet demanding international safety and performance standards for flame retardancy and electrical insulation.

Technology & Innovation Initiatives:

• Proprietary acrylic-based adhesive systems for robust film lamination

• R&D focused on lightweight and flexible module designs

---

7️⃣ 4. Polyplex Corporation Ltd.

Headquarters: Noida, India
Key Offering: Biaxially Oriented Polyester (BOPET) Films

Polyplex is one of the world’s leading producers of BOPET films, with manufacturing facilities in India, Thailand, Turkey, and the USA. The company supplies a wide range of polyester films to the solar industry, capitalizing on the booming demand in the Asian market and supporting India’s ambitious solar energy targets.

Technology & Innovation Initiatives:

• Commissioning of new production lines dedicated to solar-grade films

• Focus on cost-competitive solutions for utility-scale solar projects

Download FREE Sample Report:
Photovoltaic Polyester Film Market – View in Detailed Research Report

---

6️⃣ 5. Coveme

Headquarters: San Lazzaro di Savena, Italy
Key Offering: Engineered Coated Films for PV Backsheets

Coveme specializes in the coating, metallization, and lamination of polyester and other polymer films. The company is a key European supplier of finished and coated backsheet films, serving top-tier module manufacturers with products designed to withstand diverse climatic conditions from deserts to coastal areas.

Technology & Innovation Initiatives:

• Development of halogen-free and sustainable backsheet solutions

• Enhanced product offerings aligned with the EU’s Net-Zero Industry Act

---

5️⃣ 6. DuPont Teijin Films

Headquarters: Wilmington, Delaware, USA (DuPont); Tokyo, Japan (Teijin)
Key Offering: Mylar® and Teonex® Polyester Films

This joint venture between DuPont and Teijin is a powerhouse in high-performance polyester films. Their Mylar® and Teonex® brands are industry standards for reliability, offering exceptional mechanical strength, thermal stability, and resistance to environmental stress cracking, which is vital for long-term module performance.

Technology & Innovation Initiatives:

• Investment in films for advanced cell technologies like TOPCon and IBC

• Global supply chain optimization to serve markets in the Americas, Europe, and Asia

---

4️⃣ 7. Dunmore

Headquarters: Bristol, Pennsylvania, USA
Key Offering: Custom Engineered Coated and Metallized Films

Dunmore is a global leader in coated, metallized, and laminated films. The company provides specialized polyester film solutions for the photovoltaic industry, focusing on custom-engineered products that meet specific performance requirements for different module architectures and installation environments.

Technology & Innovation Initiatives:

• Expertise in multilayer film constructions for enhanced barrier properties

• Solutions for building-integrated photovoltaics (BIPV) and specialized applications

---

3️⃣ 8. Krempel GmbH

Headquarters: Vaihingen an der Enz, Germany
Key Offering: High-Performance Electrical Insulation Materials and PV Film Components

Krempel is a German specialist in electrical insulation materials and composite systems. The company supplies critical film-based components for the solar industry, leveraging its deep knowledge of materials science to develop products that ensure the safety and durability of solar modules under high voltages and extreme weather.

Technology & Innovation Initiatives:

• Focus on material compatibility with high-efficiency cell technologies

• Strong R&D pipeline for products meeting stringent TüV and UL certifications

---

2️⃣ 9. Mitsubishi Polyester Film

Headquarters: Tokyo, Japan
Key Offering: Hostaphan® Polyester Films

Mitsubishi Chemical Group’s polyester film division produces Hostaphan®, a premium brand known for its purity, surface quality, and consistency. These films are used in demanding PV applications where minimal defects and high optical clarity are paramount, particularly for front-side applications in certain module designs.

Technology & Innovation Initiatives:

• Development of ultra-clear films for enhanced light transmission

• Sustainability initiatives focusing on recyclable and lower-carbon-footprint products

---

1️⃣ 10. Jiangsu Shuangxing Color Plastic New Materials Co., Ltd.

Headquarters: Zhangjiagang, Jiangsu, China
Key Offering: BOPET Films for Photovoltaic Backsheets

Jiangsu Shuangxing is one of China’s largest producers of BOPET films and a major supplier to the domestic and global solar industries. The company benefits from its massive scale and vertical integration, providing cost-competitive film solutions that support the world’s largest solar manufacturing ecosystem.

Technology & Innovation Initiatives:

• Rapid capacity expansion to meet soaring domestic and international demand

• Development of differentiated film products for niche solar applications

Get Full Report Here:
Photovoltaic Polyester Film Market – View in Detailed Research Report

---

🌞 Outlook: The Future of Photovoltaic Polyester Film Is Integrated and High-Performance

The photovoltaic polyester film market is experiencing a transformative phase. While standard films continue to dominate volume production, the industry is innovating rapidly to develop advanced materials that support higher module efficiencies, longer warranties, and new solar applications.

📈 Key Trends Shaping the Market:

• Rise of bifacial modules requiring transparent and durable backsheets

• Growing demand for films compatible with shingled cell and heterojunction technologies

• Increased focus on sustainability, recyclability, and the reduction of carbon footprint in film production

• Expansion of manufacturing capacity in Southeast Asia and India to diversify supply chains

Get Full Report Here:
Photovoltaic Polyester Film Market – View in Detailed Research Report

The companies listed above are not only supplying a critical component to the solar industry—they are enabling the global clean energy transition by making solar power more reliable, efficient, and affordable for decades to come.