The Global New Energy Vehicle Power Battery Sealant Market was valued at USD 1.95 Billion in 2025 and is projected to reach USD 3.13 Billion by 2034, growing at a Compound Annual Growth Rate (CAGR) of 7.1% during the forecast period (2026–2034). This robust growth is fueled by the exponential expansion of the global electric vehicle market, stringent battery safety standards, and the accelerating demand for advanced sealing solutions that prevent thermal runaway, waterproofing, and vibration damping.

As the electric vehicle industry drives toward a sustainable future, the integrity of the battery pack becomes paramount. Power battery sealants serve as the critical protective layer for the vehicle’s energy core—akin to a sarcolemma for the battery’s heart. In this blog, we profile the Top 10 Companies in the New Energy Vehicle Power Battery Sealant Industry—a dynamic mix of global chemical giants and specialized material innovators shaping the safety and performance of next-generation EVs.

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🔟 10. Zeon Corporation

Headquarters: Tokyo, Japan
Key Offering: Specialized Elastomers, High-Performance Polymer Sealants

Zeon Corporation is a renowned chemical company specializing in high-performance elastomers and polymers. Its advanced materials are critical components in creating durable, heat-resistant seals for EV battery packs, particularly for cylindrical and pouch cell configurations.

Innovation Focus:

• Development of next-generation hydrogenated nitrile rubber (HNBR) for superior heat and chemical resistance

• Focus on materials that enhance battery pack longevity and safety under extreme conditions

• Strong R&D partnerships with Japanese automotive and battery manufacturers

Download Free Sample Report: New Energy Vehicle Power Battery Sealant Market – View in Detailed Research Report

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9️⃣ 9. Elantas

Headquarters: Collecchio, Italy
Key Offering: Epoxy Resins, Impregnation Resins, Specialty Sealants

Elantas, a member of the ALTANA Group, is a leading provider of electrical insulation materials and specialty sealants. The company’s products are engineered for high thermal conductivity and excellent adhesion, providing robust protection for battery modules and electrical components within the pack.

Innovation Focus:

• Advanced epoxy formulations for potting and encapsulation applications

• Materials designed to withstand thermal cycling and mechanical stress

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8️⃣ 8. Shenzhen Tianningda New Materials Co., Ltd.

Headquarters: Shenzhen, China
Key Offering: Silicone Sealants, Thermal Conductive Adhesives

Shenzhen Tianningda is a key Chinese player, specializing in the development and production of silicone-based sealants and adhesives for the burgeoning domestic EV market. The company provides cost-effective and high-performance solutions tailored to the requirements of local battery and vehicle manufacturers.

Innovation Focus:

• Focus on thermally conductive silicone sealants for effective battery thermal management

• Rapid response to the specific needs of China’s fast-evolving EV battery designs

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7️⃣ 7. HB Fuller Company

Headquarters: St. Paul, Minnesota, USA
Key Offering: Engineering Adhesives, Sealants for Battery Assembly

HB Fuller is a global adhesives manufacturer with a strong focus on automotive and transportation solutions. The company offers a range of sealants specifically formulated for bonding and sealing battery tray assemblies, cell-to-cell connections, and module housing.

Innovation Focus:

• Development of lightweight, high-strength bonding solutions

• Sealants that contribute to structural integrity while providing environmental protection

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6️⃣ 6. Chengdu Guibao Science & Technology Co., Ltd.

Headquarters: Chengdu, China
Key Offering: Hot Melt Adhesives, Polyurethane Sealants

Chengdu Guibao is a prominent supplier of reactive hot melt polyurethane (PUR) and other advanced sealants for the Chinese EV sector. The company’s products are widely used for sealing battery pack covers and providing vibration damping.

Innovation Focus:

• Expertise in polyurethane-based sealants offering a balance of flexibility and durability

• Strong presence in the supply chain for square and prismatic battery packs

Download Free Sample Report: New Energy Vehicle Power Battery Sealant Market – View in Detailed Research Report

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5️⃣ 5. Evonik Industries AG

Headquarters: Essen, Germany
Key Offering: Specialty Silicones, Additives for Sealant Formulations

Evonik is a global specialty chemicals leader whose products are essential inputs for high-performance sealants. The company’s silicones and additives enhance key properties like flame retardancy, thermal stability, and adhesion, which are critical for EV battery applications.

Innovation Focus:

• Development of specialty silicones that improve the performance of final sealant products

• Focus on materials that meet the highest international automotive safety standards

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4️⃣ 4. Wacker Chemie AG

Headquarters: Munich, Germany
Key Offering: Silicone Elastomers, Engineered Sealants

Wacker Chemie is a world-leading producer of silicones, which form the base for many premium battery sealants. The company’s high-purity silicone materials offer exceptional longevity, temperature resistance, and sealing performance required for the demanding environment inside an EV battery pack.

Innovation Focus:

• Elastomeric silicones for potting and gasketing that remain flexible from -40°C to 200°C+

• Solutions that contribute to flame retardancy and thermal management

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3️⃣ 3. Dow Inc.

Headquarters: Midland, Michigan, USA
Key Offering: DOWSIL™ Silicone Sealants, Adhesives

Dow is a materials science leader with a comprehensive portfolio of DOWSIL™ brand silicone technologies. These sealants are engineered to provide durable bonds, environmental sealing, and thermal management for EV battery systems, meeting the rigorous demands of global automakers.

Innovation Focus:

• Thermally conductive sealants that help dissipate heat from battery cells

• Fast-curing formulations to support high-volume automotive manufacturing

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2️⃣ 2. Henkel AG & Co. KGaA

Headquarters: Düsseldorf, Germany
Key Offering: LOCTITE® Adhesives, Sealants, Thermal Management Materials

Henkel is a global leader in adhesive technologies, with its LOCTITE® brand being synonymous with reliability in the automotive sector. The company offers a wide array of sealants, including silicones, epoxies, and polyurethanes, specifically formulated for battery cell stacking, module sealing, and pack assembly.

Innovation Focus:

• Multi-functional sealants that combine bonding, sealing, and thermal conductivity

• Strong collaboration with major EV OEMs on custom sealing solutions

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1️⃣ 1. 3M Company

Headquarters: St. Paul, Minnesota, USA
Key Offering: Acrylic, Epoxy, and Silicone Sealants, VHB™ Tapes

3M stands at the forefront of the New Energy Vehicle Power Battery Sealant market, leveraging its deep expertise in materials science. The company provides a diverse range of sealing solutions, including versatile VHB™ Tapes and specialty formulated sealants that offer structural bonding, environmental protection, and flame retardancy essential for modern battery packs.

Innovation Focus:

• Pioneering tape-based solutions that replace mechanical fasteners and liquid sealants

• Continuous R&D into materials that enhance battery energy density and safety

• Global supply chain and technical support for automotive manufacturers worldwide

Read Full Report: New Energy Vehicle Power Battery Sealant Market – View in Detailed Research Report

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🚀 Outlook: The Future of EV Battery Sealants is Smarter and Safer

The New Energy Vehicle Power Battery Sealant market is undergoing a transformative shift. While silicone-based sealants currently dominate due to their superior properties, the industry is investing heavily in multi-functional materials, automated application processes, and formulations compatible with next-generation battery chemistries.

📈 Key Trends Shaping the Market:

• Rise of thermally conductive sealants that double as Thermal Interface Materials (TIMs)

• Increasing demand for flame-retardant and intumescent sealants to enhance battery safety

• Development of sealants tailored for solid-state battery architectures

• Automation and robotics integration for precision sealant dispensing in gigafactories

Read Full Report: New Energy Vehicle Power Battery Sealant Market – View in Detailed Research Report

The companies listed above are not only providing essential components for electric vehicles—they are engineering the safety and reliability that will power the future of clean transportation.