The Global PV Bonding Adhesives Market was valued at USD 1.42 Billion in 2024 and is projected to reach USD 2.58 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 9.8% during the forecast period (2024–2030). This robust growth is being driven by the global acceleration of solar energy installations, demand for higher efficiency photovoltaic modules, and the critical need for durable, high-performance adhesives that ensure long-term reliability in harsh environmental conditions.

As the solar industry pivots toward more advanced module designs and automated manufacturing processes, the role of specialized bonding adhesives has never been more crucial. These materials are essential for laminating, potting, and sealing solar panels, directly impacting their efficiency, lifespan, and resistance to weathering. In this blog, we profile the Top 10 Companies in the PV Bonding Adhesives Industry—a diverse group of chemical giants and specialty manufacturers at the forefront of solar technology innovation.

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🔟 1. H.B. Fuller Company

Headquarters: St. Paul, Minnesota, USA
Key Offering: Epoxy, Polyurethane, and Silicone-based PV Adhesives

H.B. Fuller is a global leader in adhesive technologies, offering a comprehensive portfolio of bonding solutions specifically engineered for photovoltaic applications. Their products are designed for high-speed automated assembly, providing exceptional durability and weather resistance for solar modules.

Innovation Initiatives:

• Development of fast-curing adhesives for increased manufacturing throughput
• Formulations with enhanced UV and thermal stability for extended outdoor service life
• Commitment to sustainable adhesive chemistries with reduced environmental impact

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9️⃣ 2. 3M Company

Headquarters: St. Paul, Minnesota, USA
Key Offering: Acrylic, Epoxy, and Tape-based PV Bonding Solutions

3M brings its extensive materials science expertise to the solar industry with a range of high-performance adhesives and tapes. Their solutions are widely used in panel framing, junction box attachment, and module assembly, offering reliable bonding across diverse substrates.

Innovation Initiatives:

• Proprietary VHB™ tapes for structural bonding without mechanical fasteners
• Advanced dielectric adhesives for electrical isolation and thermal management

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8️⃣ 3. Henkel AG & Co. KGaA

Headquarters: Düsseldorf, Germany
Key Offering: LOCTITE® brand Epoxy, Silicone, and Polyurethane Adhesives

Henkel’s LOCTITE brand is synonymous with reliability in industrial adhesives. Their PV-specific formulations are engineered to withstand extreme temperature cycling, humidity, and mechanical stress, ensuring module integrity over decades of operation.

Innovation Initiatives:

• High-purity encapsulants that minimize potential-induced degradation (PID)
• Thermally conductive adhesives for improved heat dissipation in high-efficiency cells

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7️⃣ 4. Evonik Industries AG

Headquarters: Essen, Germany
Key Offering: Specialty Silicones and Epoxy Hardener Systems

Evonik specializes in high-performance specialty chemicals, including advanced silicone-based adhesives and sealants for photovoltaic applications. Their products offer excellent weatherability and electrical insulation properties critical for solar module longevity.

Innovation Initiatives:

• Development of transparent silicones for bifacial module applications
• Custom-formulated hardeners for optimized epoxy cure profiles in lamination processes

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PV Bonding Adhesives Market – View in Detailed Research Report

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6️⃣ 5. Epic Resins

Headquarters: Berlin, Wisconsin, USA
Key Offering: Epoxy Potting Compounds and Encapsulants

Epic Resins focuses on formulated epoxy systems for critical electronic and electrical applications, including solar panel junction boxes and module potting. Their products provide superior moisture resistance and dielectric strength.

Innovation Initiatives:

• Flexibilized epoxy formulations to accommodate thermal expansion mismatches
• UL-recognized compounds meeting stringent safety standards for solar applications

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5️⃣ 6. Dow Inc.

Headquarters: Midland, Michigan, USA
Key Offering: SILASTIC™ Silicone Adhesives and Encapsulants

Dow brings its legacy of silicone chemistry to the PV market with high-performance adhesives that maintain elasticity and adhesion across extreme temperature ranges from -40°C to 200°C, which is essential for solar modules deployed in diverse climates.

Innovation Initiatives:

• Silicone technologies compatible with new cell architectures like PERC and HJT
• Adhesives with low ionic content to prevent corrosion and module degradation

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4️⃣ 7. Sika AG

Headquarters: Baar, Switzerland
Key Offering: Polyurethane and Hybrid Polymer Adhesives

Sika offers robust bonding solutions for structural applications in solar mounting systems and module assembly. Their adhesive technologies are particularly valued in building-integrated photovoltaics (BIPV) where structural integrity is paramount.

Innovation Initiatives:

• High-strength polyurethanes for bonding frames to glass without mechanical stress
• Fast-curing systems compatible with automated production lines

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3️⃣ 8. Wacker Chemie AG

Headquarters: Munich, Germany
Key Offering: ELASTOSIL® Silicone Encapsulants and Adhesives

Wacker is a leading global producer of silicones, with dedicated formulations for photovoltaic applications. Their ELASTOSIL products offer exceptional transparency, UV stability, and long-term performance under continuous outdoor exposure.

Innovation Initiatives:

• High-refractive-index silicones for increased light capture in solar cells
• Low-modulus sealants that accommodate thermal movement without stress buildup

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2️⃣ 9. LORD Corporation

Headquarters: Cary, North Carolina, USA
Key Offering: Advanced Epoxy and Acrylic Adhesive Systems

LORD Corporation specializes in high-performance bonding solutions for demanding industrial applications. Their PV adhesives are engineered for durability, with excellent resistance to environmental stressors that can compromise module performance.

Innovation Initiatives:

• Toughened epoxy formulations with high peel and shear strength
• Surface-agnostic adhesives that bond to various module substrate materials

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1️⃣ 10. Shanghai Huitian New Material Co., Ltd.

Headquarters: Shanghai, China
Key Offering: Cost-effective Epoxy and Polyurethane Adhesives

As a major Chinese adhesive manufacturer, Shanghai Huitian provides competitively priced bonding solutions that have gained significant market share, particularly in Asia’s massive solar manufacturing ecosystem. Their products balance performance with manufacturing economics.

Innovation Initiatives:

• Localized R&D focused on the specific needs of Asian PV manufacturers
• Scalable production to meet the high-volume demands of gigawatt-scale factories

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PV Bonding Adhesives Market – View in Detailed Research Report

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

The PV bonding adhesives market is undergoing significant transformation as solar technology advances toward higher efficiencies and new form factors. While traditional epoxy adhesives still dominate many applications, the industry is rapidly adopting advanced silicone and polyurethane formulations that offer superior durability and processing advantages.

📈 Key Trends Shaping the Market:

• Shift toward halogen-free and low-VOC adhesive formulations for improved sustainability
• Development of dual-cure systems compatible with high-speed automated manufacturing
• Growing demand for transparent adhesives to support bifacial module technology
• Increased focus on recyclable adhesive systems to support circular economy in solar

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PV Bonding Adhesives Market – View in Detailed Research Report

The companies listed above are not only supplying essential materials for solar panel production—they’re driving the technological innovation that will enable the next generation of high-performance, reliable photovoltaic systems.