The Global Adhesive for Solar Photovoltaic Market was valued at USD 2.87 Billion in 2023 and is projected to reach USD 5.12 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 8.6% during the forecast period (2023–2030). This robust growth is propelled by the global push for renewable energy, increasing solar panel installations, and the critical need for high-performance bonding solutions that ensure the durability and efficiency of photovoltaic (PV) modules in harsh environmental conditions.

As the solar industry accelerates towards terawatt-scale deployment, the adhesives that hold these sophisticated systems together are more crucial than ever. They provide essential structural integrity, electrical insulation, and environmental protection. In this blog, we profile the Top 10 Companies in the Adhesive for Solar Photovoltaic Industry—a group of chemical innovators and specialty material suppliers that are foundational to the solar energy revolution.

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🔟 1. Henkel AG & Co. KGaA

Headquarters: Düsseldorf, Germany
Key Offering: LOCTITE® PV specialty adhesives, sealants, and thermal interface materials

Henkel is a global leader in adhesive technologies, offering a comprehensive portfolio tailored for solar PV applications. Its LOCTITE® brand provides solutions for junction box bonding, frame sealing, and module lamination, known for exceptional weather resistance, UV stability, and thermal conductivity.

Innovation & Sustainability Initiatives:

• Development of high-performance silicones and epoxy adhesives for next-generation bifacial and shingled cell modules.

• Commitment to sustainability with bio-based and recyclable adhesive formulations.

• Global technical support and R&D centers dedicated to renewable energy applications.

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9️⃣ 2. 3M Company

Headquarters: Saint Paul, Minnesota, USA
Key Offering: 3M™ Acrylic Tapes, VHB™ Tapes, and specialty adhesives for solar

3M is renowned for its innovative bonding solutions, particularly its double-sided tapes and fast-curing adhesives that streamline solar panel assembly. Their products are designed to replace mechanical fasteners, reducing stress concentrations and improving module reliability.

Innovation & Sustainability Initiatives:

• Pioneering tape-based solutions for frameless and lightweight solar modules.

• Focus on durability testing to ensure 25+ year product lifespans under IEC standards.

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8️⃣ 3. H.B. Fuller Company

Headquarters: Saint Paul, Minnesota, USA
Key Offering: Epoxy, polyurethane, and silicone adhesives for PV assembly

H.B. Fuller provides high-strength adhesives critical for bonding solar module components, including frames, junction boxes, and backsheets. Their formulations are engineered to withstand thermal cycling, humidity, and mechanical loads.

Innovation & Sustainability Initiatives:

• Investment in R&D for fast-curing and low-volatile organic compound (VOC) adhesives.

• Strategic partnerships with major solar panel manufacturers globally.

Download FREE Sample Report: Adhesive for Solar Photovoltaic Market – View in Detailed Research Report

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7️⃣ 4. Dow Silicones Corporation (Dow Inc.)

Headquarters: Midland, Michigan, USA
Key Offering: DOWSIL™ silicone encapsulants, sealants, and adhesives

Dow is a dominant force in silicone technology, offering materials that are essential for protecting sensitive PV cells. DOWSIL™ silicone adhesives provide superior protection against moisture ingress, UV radiation, and extreme temperature fluctuations, ensuring long-term performance.

Innovation & Sustainability Initiatives:

• Leading provider of silicone-based encapsulants for high-efficiency PERC and HJT cells.

• Product innovations focused on enhancing module power output and lifespan.

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6️⃣ 5. Sika AG

Headquarters: Baar, Switzerland
Key Offering: Sika® adhesives and sealants for solar mounting systems and module assembly

Sika specializes in high-performance adhesives used for structural bonding in solar mounting structures and for sealing PV modules. Their solutions contribute to the structural integrity of both rooftop and utility-scale solar installations.

Innovation & Sustainability Initiatives:

• Development of adhesives for bonding solar trackers and composite structures.

• Emphasis on products that reduce installation time and labor costs.

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5️⃣ 6. Wacker Chemie AG

Headquarters: Munich, Germany
Key Offering: ELASTOSIL® silicone resins and adhesives for PV modules

Wacker is a key supplier of high-purity silicone products for the solar industry. Its ELASTOSIL® range includes potting compounds and adhesives that offer excellent electrical insulation and resistance to environmental aging.

Innovation & Sustainability Initiatives:

• R&D focus on transparent and flexible silicone adhesives for building-integrated photovoltaics (BIPV).

• Commitment to circular economy principles in material production.

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4️⃣ 7. DuPont de Nemours, Inc.

Headquarters: Wilmington, Delaware, USA
Key Offering: Tedlar® PVF films, adhesives, and specialty materials

DuPont offers a suite of materials critical to PV module manufacturing, including adhesives used in backsheet laminates. Their expertise in polymer science ensures materials that protect against degradation for decades.

Innovation & Sustainability Initiatives:

• Innovation in backsheet adhesion technologies to prevent delamination.

• Sustainability goals aligned with reducing the carbon footprint of solar panel production.

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3️⃣ 8. Mitsubishi Chemical Corporation

Headquarters: Tokyo, Japan
Key Offering: Acrylic and epoxy adhesives for electronic and solar applications

Mitsubishi Chemical provides advanced adhesive solutions for the precision assembly of solar modules. Their products are known for high reliability and are used by leading solar manufacturers, particularly in the Asia-Pacific region.

Innovation & Sustainability Initiatives:

• Development of low-temperature cure adhesives to reduce energy consumption during panel manufacturing.

• Expansion of production capacity to meet growing global demand.

Download FREE Sample Report: Adhesive for Solar Photovoltaic Market – View in Detailed Research Report

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2️⃣ 9. Arkema Group

Headquarters: Colombes, France
Key Offering: Bostik smart adhesives, photocurable resins, and specialty polymers

Arkema, through its Bostik division, offers a range of high-performance adhesives for solar panel assembly. Their expertise in reactive polymers contributes to durable bonds that withstand harsh outdoor environments.

Innovation & Sustainability Initiatives:

• Focus on bio-circualr materials derived from renewable resources.

• Innovations in fast-processing adhesives for automated production lines.

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1️⃣ 10. Hexion Inc.

Headquarters: Columbus, Ohio, USA
Key Offering: Epoxy molding compounds and specialty adhesives for electronics and PV

Hexion is a leading global supplier of thermoset resins, including epoxy formulations used in PV module encapsulation and junction box potting. Their materials provide critical protection for electrical components within the solar panel.

Innovation & Sustainability Initiatives:

• Development of halogen-free and flame-retardant epoxy systems for enhanced safety.

• Tailored solutions for the unique demands of shingled and tiled cell modules.

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🌍 Outlook: The Future of Solar PV Adhesives Is Smarter and More Sustainable

The adhesive for solar photovoltaic market is undergoing a significant transformation, driven by technological advancements in solar cell design and stringent demands for longevity and efficiency. The future points towards adhesives that are not only stronger and more durable but also smarter and more environmentally friendly.

📈 Key Trends Shaping the Market:

• Advanced Formulations: Development of adhesives with higher thermal conductivity to manage heat in high-power modules and improved UV stability for extended outdoor life.

• Sustainability Drive: Growing demand for bio-based, recyclable, and low-carbon footprint adhesive chemistries aligned with the green principles of the solar industry.

• Automation Compatibility: Formulations designed for high-speed, automated dispensing systems to increase manufacturing throughput and reduce costs.

• New Module Architectures: Adhesive solutions tailored for emerging technologies like bifacial panels, heterojunction cells (HJT), and lightweight flexible modules.

The companies profiled above are at the forefront of this evolution. They are not merely supplying materials; they are enabling the next generation of solar technology, ensuring that the bonds holding our clean energy future together are as resilient and sustainable as the energy they help produce.

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