The Global Liquid Gap Fillers Market was valued at USD 1.85 Billion in 2023 and is projected to reach USD 2.98 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 6.8% during the forecast period (2024–2030). This robust growth is being driven by the escalating demand for advanced thermal management solutions in high-performance electronics, the rapid expansion of the electric vehicle (EV) sector, and the increasing complexity of battery pack assemblies requiring efficient heat dissipation.

As industries worldwide push the boundaries of miniaturization and power density, the critical role of thermal interface materials (TIMs) like liquid gap fillers has come into sharp focus. These materials are essential for protecting sensitive components from overheating, ensuring reliability, and maximizing product lifespans. In this blog, we profile the Top 10 Companies in the Liquid Gap Fillers Industry—a dynamic mix of chemical giants, specialized material science innovators, and thermal management leaders shaping the future of thermal regulation.

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🔟 1. Henkel AG & Co. KGaA

Headquarters: Düsseldorf, Germany
Key Offering: LOCTITE® and BERGQUIST® brand liquid gap fillers, thermally conductive silicones

Henkel is a global powerhouse in adhesive technologies and a dominant player in the thermal management materials sector. Following its strategic acquisition of Bergquist, Henkel offers a comprehensive portfolio of high-performance, pumpable gap-filling materials designed for automated dispensing in high-volume electronics manufacturing.

Key Market Initiatives:

• Development of high-thermal-conductivity silicones exceeding 5.0 W/mK

• Focus on materials for EV battery thermal management systems (BTMS)

• Expansion of product lines for 5G infrastructure and data center cooling

Download FREE Sample Report: Liquid Gap Fillers Market – View in Detailed Research Report

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9️⃣ 2. Fujipoly

Headquarters: Saitama, Japan
Key Offering: Sarcon® and Zebra® series liquid thermal gap fillers

Fujipoly is renowned for its high-performance elastomers and thermal interface materials. The company’s Sarcon® line of thermally conductive gels and putties offers superior thermal conductivity and low thermal resistance, making them ideal for demanding applications in automotive power electronics and telecommunications equipment.

Key Market Initiatives:

• Specialization in ultra-soft, low-pressure fillers for fragile components

• Strong penetration in the Japanese and broader Asian automotive electronics market

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8️⃣ 3. Laird Performance Materials

Headquarters: Chesterfield, Missouri, USA
Key Offering: Tputty™ and Tflex™ series gap filling materials

Laird Performance Materials, now part of DuPont, is a leading specialist in electromagnetic shielding and thermal management. Their liquid gap filler products are engineered to provide reliable thermal pathways in constrained spaces, with a focus on easy application and long-term stability under thermal cycling.

Key Market Initiatives:

• Integration of thermal and electromagnetic interference (EMI) solutions

• Development of non-silicone alternatives for sensitive automotive applications

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7️⃣ 4. Saint-Gobain

Headquarters: Courbevoie, France
Key Offering: BISCO® silicone and non-silicone thermal gap fillers

Saint-Gobain, through its高性能材料部门, provides advanced material solutions across numerous industries. Their BISCO® brand offers a range of thermally conductive gap-filling pads and form-in-place (FIP) gels that cure to form resilient, high-performance thermal interfaces.

Key Market Initiatives:

• Focus on materials with high thermal stability for automotive under-hood applications

• Expansion of product portfolio for renewable energy systems like solar inverters

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6️⃣ 5. 3M Company

Headquarters: Saint Paul, Minnesota, USA
Key Offering: 3M™ Thermally Conductive Adhesive/Sealants and Gap Fillers

3M is a diversified technology company with a formidable presence in the electronics materials market. Their liquid gap filler offerings are part of a broad portfolio of thermal management solutions, known for their reliability and backed by extensive R&D and global technical support.

Key Market Initiatives:

• Innovation in two-part curable systems for large gap applications

• Development of flame-retardant (UL 94 V-0) gap fillers for enhanced safety

Download FREE Sample Report: Liquid Gap Fillers Market – View in Detailed Research Report

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5️⃣ 6. Dow Inc.

Headquarters: Midland, Michigan, USA
Key Offering: DOWSIL™ thermally conductive liquid adhesives and sealants

Dow is a world-leading materials science company, and its DOWSIL™ brand is synonymous with high-performance silicones. Their liquid gap filler products leverage advanced silicone chemistry to provide excellent thermal conductivity, electrical insulation, and environmental protection for sensitive electronic assemblies.

Key Market Initiatives:

• Investment in sustainable silicone technologies with reduced environmental impact

• Collaboration with automotive OEMs on next-generation EV battery cooling solutions

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4️⃣ 7. Polymer Science, Inc.

Headquarters: San Diego, California, USA
Key Offering: Custom-formulated urethane and silicone-based thermal gap fillers

Polymer Science specializes in the development and manufacturing of custom adhesives, sealants, and coatings. They are known for their ability to engineer liquid gap filler solutions tailored to specific customer requirements, particularly for specialized industrial and military applications.

Key Market Initiatives:

• Expertise in formulating for extreme temperature ranges and harsh environments

• Strong focus on customer-specific problem-solving and rapid prototyping

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3️⃣ 8. Boyd Corporation

Headquarters: Pleasanton, California, USA
Key Offering: Aavid® Thermalloy liquid gap filler materials and thermal systems

Boyd Corporation is a premier thermal management and environmental sealing solutions provider. Their acquisition of Aavid Thermalloy solidified their position as a full-service provider, offering everything from standard liquid gap fillers to complex, integrated thermal modules.

Key Market Initiatives:

• Systems-level approach to thermal management, combining materials and hardware

• Strategic growth in the medical device and aerospace/defense thermal markets

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2️⃣ 9. Momentive Performance Materials Inc.

Headquarters: Waterford, New York, USA
Key Offering: Silicone-based thermally conductive gels and encapsulants

Momentive is a leading global supplier of silicones and advanced materials. Their product lineup includes a variety of liquid gap fillers that cure into soft, compliant gels, ideal for filling large, irregular gaps and absorbing mechanical stress in addition to managing heat.

Key Market Initiatives:

• Development of fast-curing systems to increase manufacturing throughput

• Focus on materials with low volatile content for cleanroom compatibility

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1️⃣ 10. Electrolube

Headquarters: Derbyshire, United Kingdom
Key Offering: TCG and HTC series thermal gap filling compounds

Electrolube, a division of HK Wentworth Ltd, specializes in chemical specialties for the electronics, automotive, and industrial sectors. They offer a versatile range of thermally conductive gap fillers, including both silicone and non-silicone (urethane, acrylic) chemistries to meet diverse application needs.

Key Market Initiatives:

• Strong focus on the Asian market with local manufacturing and support

• Development of non-silicone products to avoid contamination issues in sensitive processes

Get Full Report Here: Liquid Gap Fillers Market – View in Detailed Research Report

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🌍 Outlook: The Future of Liquid Gap Fillers Is Smarter and More Integrated

The liquid gap fillers market is undergoing a significant transformation. As electronic devices become more powerful and compact, and as the EV revolution accelerates, the demand for advanced thermal management solutions is reaching new heights. The industry is moving beyond simple heat conduction towards multifunctional materials that also provide sealing, vibration damping, and electrical insulation.

📈 Key Trends Shaping the Market:

• Rising adoption of automated dispensing systems for precise, high-volume application in manufacturing

• Growing demand for non-silicone alternatives in automotive applications to prevent potential sensor contamination

• Increasing need for materials capable of withstanding extreme temperature cycling in EV battery packs and power electronics

• Development of phase-change materials (PCMs) and hybrid solutions that offer superior performance in dynamic thermal environments

Get Full Report Here: Liquid Gap Fillers Market – View in Detailed Research Report

The companies listed above are not only supplying critical components—they are enabling the technological advancements that define modern electronics and transportation. Their continued innovation in material science is essential for a cooler, more efficient, and more reliable future.