Top 10 Companies in the Global PV Bonding Adhesives Market (2026): Market Leaders Driving Solar Industry Growth

MARKET INSIGHTS

Global PV bonding adhesives market size was valued at USD 1.58 billion in 2025 and is anticipated to rise to USD 1.70 billion in 2026. By 2034 the sector is expected to reach approximately USD 3.40 billion, reflecting the continued expansion of solar infrastructure worldwide.

PV bonding adhesives serve as the structural backbone of solar panels, securing cells, backsheets and frames while safeguarding against weathering and thermal cycling. The portfolio is dominated by epoxy‑based, polyurethane‑based and silicone‑based variants, each engineered for distinct performance demands within photovoltaic assemblies.

Growth is underpinned by accelerating solar adoption, particularly in the Asia‑Pacific region where China contributes more than 40% of global demand. Technological strides in UV‑resistant and thermally conductive formulations are opening new niches, while leaders such as Henkel, 3M and Dow invest heavily in research to support emerging module formats such as bifacial and lightweight panels.

Global PV Bonding Adhesives Market – View in Detailed Research Report

Top 10 Companies in the Global PV Bonding Adhesives Market

1️⃣ Henkel AG & Co. KGaA (Germany)

Key Offering: High‑performance epoxy and silicone systems for crystalline silicon and bifacial modules.

Henkel’s R&D pipeline delivers formulations that combine superior mechanical strength with extended UV stability, enabling module manufacturers to achieve longer warranties. The company’s global distribution network supports rapid deployment across Asia‑Pacific and Europe.

Sustainability & Growth Initiatives:

• Investment in bio‑based epoxy resins to reduce carbon footprint.
• Expansion of manufacturing capacity in China to meet local demand.
• Collaboration with major solar OEMs on next‑generation module design.

2️⃣ 3M Company (U.S.)

Key Offering: Advanced polyurethane and silicone adhesives with tailored thermal conductivity.

3M’s portfolio emphasizes flexibility and micro‑crack resistance, crucial for lightweight and frameless panels. The company leverages its global research labs to introduce nano‑enhanced formulations that improve long‑term performance.

Sustainability & Growth Initiatives:

• Development of halogen‑free adhesives to meet REACH compliance.
• Launch of low‑temperature curing systems that cut manufacturing energy use.
• Strategic partnerships with European solar manufacturers to accelerate adoption.

3️⃣ Dow Inc. (U.S.)

Key Offering: Silicone‑based adhesives with high thermal stability for bifacial and thin‑film modules.

Dow’s silicone chemistries deliver excellent moisture resistance and optical clarity, essential for modules exposed to high irradiance. The firm is actively pursuing hybrid systems that blend silicone flexibility with epoxy strength.

Sustainability & Growth Initiatives:

• Research into recyclable silicone blends.
• Expansion of production in Southeast Asia to support regional capacity.
• Investment in AI‑driven formulation optimization.

4️⃣ Wacker Chemie AG (Germany)

Key Offering: Premium silicone adhesives for thin‑film and building‑integrated photovoltaic (BIPV) applications.

Wacker’s formulations excel in optical clarity and weather resistance, making them a preferred choice for glass‑glass modules and façade installations. The company’s focus on BIPV aligns with the growing demand for architectural integration.

Sustainability & Growth Initiatives:

• Development of low‑VOC silicone formulations.
• Collaboration with European BIPV developers to tailor adhesive properties.
• Implementation of closed‑loop manufacturing processes.

5️⃣ Sika AG (Switzerland)

Key Offering: Thermoset and thermoplastic adhesives for a broad range of photovoltaic modules.

Sika’s dual‑technology approach offers both irreversible bonding for long‑term durability and reversible options that support circular economy principles. The firm’s research is directed toward enhancing thermal conductivity and reducing shrinkage.

Sustainability & Growth Initiatives:

• Launch of a bio‑based adhesive line.
• Partnerships with recyclers to promote end‑of‑life solutions.
• Adoption of renewable energy in production facilities.

6️⃣ H.B. Fuller (U.S.)

Key Offering: Polyurethane‑based adhesives for flexible and next‑generation modules.

H.B. Fuller’s products are engineered for low modulus and high flexibility, allowing seamless bonding of polyimide and flexible glass substrates. The company’s focus on lightweight panels aligns with the rising demand for agrivoltaics and vehicle‑integrated PV.

Sustainability & Growth Initiatives:

• Development of high‑performance, low‑VOC polyurethane blends.
• Expansion of R&D centers in India to support local manufacturing.
• Collaboration with OEMs to integrate adhesive design into module architecture.

7️⃣ Shanghai Huitian New Material Co., Ltd. (China)

Key Offering: Cost‑effective epoxy adhesives optimized for PERC and TOPCon cell architectures.

As a domestic supplier, Shanghai Huitian benefits from proximity to China’s massive module production lines. The firm’s formulations deliver reliable bonding while maintaining low cost, positioning it as a strategic partner for high‑volume manufacturers.

Sustainability & Growth Initiatives:

• Integration of recycled feedstocks into epoxy production.
• Participation in China’s green chemistry program.
• Scaling up production to meet 120 GW annual capacity expansion.

8️⃣ LORD Corporation (Parker Hannifin) (U.S.)

Key Offering: Acrylic and epoxy adhesives for niche bonding applications within solar assembly.

LORD’s precision‑engineered products serve specialized roles such as edge sealing and connector bonding, offering high reliability in demanding environments.

Sustainability & Growth Initiatives:

• Development of solvent‑free acrylic systems.
• Partnership with aerospace suppliers to cross‑apply adhesive technology.
• Investment in advanced testing facilities for accelerated qualification.

9️⃣ Epic Resins (U.S.)

Key Offering: Custom specialty adhesives for low‑volume and high‑performance solar applications.

Epic Resins focuses on tailoring chemistries to meet specific module requirements, including high‑temperature tolerance and optical clarity for thin‑film panels.

Sustainability & Growth Initiatives:

• Research into green solvent alternatives.
• Collaboration with research institutions on nanotechnology additives.
• Expansion of laboratory capabilities for rapid prototyping.

🔟 Evonik Industries AG (Germany)

Key Offering: Hybrid adhesive systems featuring silane coupling agents for enhanced adhesion and durability.

Evonik’s solutions address the challenge of bonding dissimilar substrates, providing robust performance across a range of module configurations.

Sustainability & Growth Initiatives:

• Implementation of circular chemistry principles in adhesive design.
• Expansion of Chinese manufacturing footprint to support local supply chains.
• Investments in digital twin technology for process optimization.

Global PV Bonding Adhesives Market – View in Detailed Research Report

Global PV Bonding Adhesives Market – View in Detailed Research Report

Outlook

The next decade will see a steady shift toward more efficient module architectures, including bifacial and thin‑film designs that demand adhesives with higher optical clarity and thermal resilience. The growing emphasis on building‑integrated photovoltaic installations will further elevate the demand for lightweight, flexible adhesives that can be applied directly to façades without compromising structural integrity. Regulatory momentum around REACH and circular economy directives will push manufacturers to adopt halogen‑free, recyclable chemistries, thereby reshaping the competitive landscape.

Future Trends

Floating photovoltaic (FPV) deployments, especially in reservoirs and coastal sites, are creating a new niche that requires adhesives capable of withstanding continuous moisture, salinity and mechanical agitation. Concurrently, the rise of flexible PV technologies for agrivoltaics, vehicle‑integrated panels and wearable energy harvesting will drive demand for ultra‑low modulus adhesives that preserve substrate flexibility while maintaining long‑term adhesion. Digitalization of the supply chain—through real‑time performance monitoring and predictive maintenance—will enable manufacturers to fine‑tune adhesive formulations for specific installation environments, accelerating innovation cycles and reducing time to market.