The Global Photovoltaic Grade PVB Interlayer Film Market was valued at USD 1.85 Billion in 2023 and is projected to reach USD 3.12 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 7.8% during the forecast period (2024–2030). This robust growth is fueled by the global acceleration in solar energy adoption, increasing demand for high-efficiency solar panels, and stringent safety and durability standards for photovoltaic modules.

As the solar industry progresses toward higher efficiency and longer-lasting panels, the role of the encapsulant material becomes paramount. Polyvinyl Butyral (PVB) interlayer film is a critical component that protects solar cells, ensuring performance and longevity. In this comprehensive analysis, we profile the Top 10 Companies in the Photovoltaic Grade PVB Interlayer Film Industry—a dynamic group of chemical giants and specialized manufacturers driving innovation and sustainability in solar module production.

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Global Photovoltaic Grade PVB Interlayer Film Market – View in Detailed Research Report

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🔟 1. Eastman Chemical Company

Headquarters: Kingsport, Tennessee, USA
Key Offering: Saflex® PVB Interlayer Films for PV Modules

Eastman Chemical is a global leader in specialty materials, and its Saflex® brand is synonymous with high-performance PVB films. The company offers a range of photovoltaic-grade PVB interlayers designed for exceptional adhesion, optical clarity, and long-term durability against environmental stressors like moisture and UV radiation.

Innovation and Sustainability Initiatives:

• Development of advanced formulations for enhanced moisture barrier properties

• Commitment to circular economy principles with recyclable material options

• Global supply chain to support large-scale solar module manufacturers

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9️⃣ 2. Sekisui Chemical Co., Ltd.

Headquarters: Osaka, Japan
Key Offering: S-Lec™ PVB Interlayer Films

Sekisui Chemical is a pioneer in PVB technology, with decades of experience serving the automotive and construction glass industries. The company has successfully leveraged this expertise to produce high-quality S-Lec™ PVB films specifically engineered for the demanding requirements of photovoltaic modules.

Innovation and Sustainability Initiatives:

• Focus on ultra-clear grades to maximize light transmittance and panel efficiency

• Investment in R&D for next-generation, high-flow PVB resins

• Active participation in international standards committees for solar module safety

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8️⃣ 3. Kuraray Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Trosifol® PVB Interlayer Films

Kuraray is another Japanese chemical giant and a major global supplier of PVB interlayers. Its Trosifol® brand is widely recognized for quality and reliability in the solar industry. The company provides films that offer excellent processability in laminating systems and superior protection for solar cells.

Innovation and Sustainability Initiatives:

• Production of PVB films with high penetration resistance and low yellowing index

• Strategic expansion of production capacity to meet growing solar market demand

• Development of eco-friendly product variants with reduced environmental impact

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Global Photovoltaic Grade PVB Interlayer Film Market – View in Detailed Research Report

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7️⃣ 4. EVERLAM

Headquarters: ‘s‑Hertogenbosch, Netherlands
Key Offering: EVERLAM™ PVB Interlayer Films

EVERLAM specializes in the production of high-quality interlayer films, with a strong focus on the photovoltaic sector. The company’s products are designed to meet the specific challenges of solar panel manufacturing, including consistent thickness, excellent adhesion, and resistance to potential-induced degradation (PID).

Innovation and Sustainability Initiatives:

• Tailored solutions for both crystalline silicon and thin-film solar cell technologies

• Emphasis on manufacturing consistency and batch-to-batch uniformity

• Commitment to sustainable production practices and reducing carbon footprint

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6️⃣ 5. DuPont de Nemours, Inc.

Headquarters: Wilmington, Delaware, USA
Key Offering: Butacite® PVB Interlayer Films

DuPont brings its extensive material science expertise to the solar market with its Butacite® PVB interlayer films. While also known for its ethylene-vinyl acetate (EVA) encapsulants, DuPont’s PVB offerings are critical for applications requiring the specific performance characteristics of polyvinyl butyral, particularly in building-integrated photovoltaics (BIPV).

Innovation and Sustainability Initiatives:

• R&D focused on improving the weatherability and service life of PV modules

• Development of multi-functional films that combine encapsulation with additional properties

• Global technical support network for solar panel manufacturers

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5️⃣ 6. Zhejiang Decent New Material Co., Ltd.

Headquarters: Jiaxing, Zhejiang, China
Key Offering: Photovoltaic Grade PVB Film

As a leading Chinese manufacturer, Zhejiang Decent New Material has established a significant presence in the PVB film market. The company benefits from the robust solar manufacturing ecosystem in China and supplies high-quality, cost-effective PVB interlayer films to both domestic and international solar module producers.

Innovation and Sustainability Initiatives:

• Continuous expansion of production capabilities to scale with market growth

• Focus on competitive pricing without compromising on product quality and performance

• Investment in advanced extrusion and quality control technologies

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4️⃣ 7. Chang Chun Group

Headquarters: Taipei, Taiwan
Key Offering: PVB Resins and Films

Chang Chun Group is a diversified chemical company with a strong foothold in the PVB market. The company operates vertically integrated production, manufacturing both PVB resin and the finished interlayer film. This control over the supply chain allows for consistent quality and customization to meet specific customer requirements.

Innovation and Sustainability Initiatives:

• Vertical integration from raw materials to finished film products

• Development of specialty PVB grades for niche solar applications

• Strategic partnerships with key players in the global solar value chain

Download FREE Sample Report:
Global Photovoltaic Grade PVB Interlayer Film Market – View in Detailed Research Report

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3️⃣ 8. Huakai Plastic Co., Ltd.

Headquarters: Chongqing, China
Key Offering: PVB Intermediate Film for Solar Panels

Huakai Plastic is a specialized manufacturer focused on PVB film production. The company has carved out a significant market share by concentrating on the specific needs of the photovoltaic industry, offering films that ensure high transparency and strong bonding strength for reliable module encapsulation.

Innovation and Sustainability Initiatives:

• Specialization in PVB films optimized for automated solar panel lamination lines

• Continuous improvement of product properties to extend solar module warranty periods

• Growing export business to emerging solar markets in Asia and beyond

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2️⃣ 9. Jiangsu Daruihengte Technology & Science Co., Ltd.

Headquarters: Changzhou, Jiangsu, China
Key Offering: High-Performance PVB Encapsulation Film

Jiangsu Daruihengte is a technology-driven company focused on advanced materials for the new energy sector. Its PVB films are known for their consistency and performance, meeting the rigorous standards of tier-1 solar module manufacturers who prioritize long-term reliability and power output.

Innovation and Sustainability Initiatives:

• Strong R&D focus on material science for improved encapsulation performance

• Collaboration with solar research institutions to validate product longevity

• Implementation of stringent quality management systems

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1️⃣ 10. Willing Lamiglass Materials Co., Ltd. (MeiBang)

Headquarters: Suzhou, Jiangsu, China
Key Offering: MB® Series PVB Film

Willing Lamiglass, often referred to by its brand MeiBang, is a prominent supplier in the Asian market. The company produces a comprehensive range of PVB interlayer films tailored for various solar panel designs and lamination processes, serving a diverse customer base across the globe.

Innovation and Sustainability Initiatives:

• Product portfolio catering to different solar cell technologies and module architectures

• Focus on cost-efficiency to support the overall reduction in Levelized Cost of Energy (LCOE)

• Expansion initiatives to increase global market penetration

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Global Photovoltaic Grade PVB Interlayer Film Market – View in Detailed Research Report

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🌍 Outlook: The Future of PVB Interlayer Films is Brighter and More Efficient

The photovoltaic grade PVB interlayer film market is at a pivotal juncture. While traditional films maintain their crucial role, the industry is innovating to develop advanced materials that enhance module efficiency, extend lifespan, and enable new solar applications like bifacial panels and flexible modules.

📈 Key Trends Shaping the Market:

• Rising demand for Building-Integrated Photovoltaics (BIPV), where PVB’s structural and safety properties are essential

• Development of anti-PID (Potential Induced Degradation) formulations to protect high-voltage solar arrays

• Increasing production capacity in Asia-Pacific to serve the world’s largest solar manufacturing base

• Growing emphasis on recyclability and end-of-life management for sustainable solar panel lifecycles

Get Full Report Here:
Global Photovoltaic Grade PVB Interlayer Film Market – View in Detailed Research Report

The companies profiled are not just supplying a component; they are enabling the global energy transition by ensuring that solar panels are durable, efficient, and reliable for decades to come.