The Global Liquid Thermal Gap Fillers Market was valued at US$ 246.8 Million in 2025 and is projected to reach US$ 392.1 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 6.4% during the forecast period (2024–2034). This robust growth is primarily driven by the ever-increasing power density of electronic components, the proliferation of 5G infrastructure, the rapid expansion of the electric vehicle (EV) market, and stringent thermal management requirements in data centers and telecommunications equipment.

As electronic devices become more compact and powerful, efficient heat dissipation is no longer a luxury but a critical necessity for reliability and performance. Liquid Thermal Gap Fillers, which seamlessly conform to irregular surfaces and fill air gaps between heat sources and heat sinks, are at the forefront of this thermal management revolution. In this blog, we profile the Top 10 Companies in the Liquid Thermal Gap Fillers Industry—a group of material science innovators and global suppliers shaping the future of thermal interface materials.

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🔟 1. Honeywell International Inc.

Headquarters: Charlotte, North Carolina, USA
Key Offering: Honeywell PTM 7000 Series, Phase Change Liquid Gap Fillers

Honeywell is a dominant force in advanced materials, with a renowned portfolio of thermal interface materials. Their PTM (Polymer Thermal Matrix) series of liquid gap fillers are widely used in high-performance computing, graphics processing units (GPUs), and automotive electronics due to their exceptional thermal conductivity and ease of application.

Innovation Focus:

• Development of high-thermal-conductivity phase change materials

• Solutions for extreme environment applications in aerospace and defense

• Focus on materials with low thermal resistance and high reliability

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9️⃣ 2. Henkel AG & Co. KGaA

Headquarters: Düsseldorf, Germany
Key Offering: Loctite® Thermal Gap Filler Solutions, Bergquist Gap Pad® TGP

Henkel, through its Loctite and Bergquist brands, offers one of the most comprehensive ranges of thermal management solutions globally. Their liquid gap fillers are engineered for automated dispensing and provide excellent performance in applications from consumer electronics to electric vehicle power trains.

Innovation Focus:

• Broad portfolio catering to various viscosity and cure requirements

• Strong emphasis on sustainability with low VOC formulations

• Global technical support and application engineering services

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8️⃣ 3. Parker Hannifin Corporation

Headquarters: Cleveland, Ohio, USA
Key Offering: Chomerics THERM-A-GAP™ Liquid Gap Fillers

Parker Hannifin’s Chomerics division is a pioneer in EMI shielding and thermal management materials. Their THERM-A-GAP liquid fillers are specifically designed to handle large gaps and uneven surfaces, making them ideal for power electronics, battery systems, and industrial motor drives.

Innovation Focus:

• Materials that combine thermal conduction with electrical insulation

• Products suitable for high-voltage automotive and industrial applications

• Custom formulations for specific customer thermal challenges

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

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7️⃣ 4. DELO Industrie Klebstoffe GmbH

Headquarters: Windach, Germany
Key Offering: DELO-THERM Liquid Gap Fillers, Thermally Conductive Adhesives

DELO is a specialist in high-performance adhesives, including advanced liquid thermal gap fillers. Their products are known for precise application properties and are widely used in sensor technology, automotive electronics, and miniature consumer devices where space is at a premium.

Innovation Focus:

• Ultra-precise dispensing capabilities for micro-electronics

• Fast-curing formulations for high-volume manufacturing

• Excellent adhesion to a wide variety of substrates

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6️⃣ 5. Boyd Corporation

Headquarters: Pleasanton, California, USA
Key Offering: Aavid Liquid Gap Fillers, Thermagon T-Global Materials

Boyd Corporation, following its acquisition of Aavid and integration of Thermagon, offers a diverse portfolio of thermal management solutions. Their liquid gap fillers are engineered for reliability in demanding environments, including electric vehicle battery packs and power conversion systems.

Innovation Focus:

• Integrated thermal solutions combining materials and components

• Focus on automotive-grade materials meeting stringent reliability standards

• Global manufacturing and supply chain capabilities

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5️⃣ 6. T-Global Technology Co., Ltd.

Headquarters: Taoyuan, Taiwan
Key Offering: TG-A series Liquid Thermally Conductive Gap Fillers

T-Global Technology is a leading Asian manufacturer specializing in thermal interface materials. They provide cost-effective and high-performance liquid gap fillers that serve a broad customer base across computing, telecommunications, and LED lighting industries.

Innovation Focus:

• Strong R&D focus on improving thermal conductivity per cost unit

• Extensive product range for different gap-filling requirements

• Rapid response to market trends in consumer electronics

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4️⃣ 7. Müller GmbH

Headquarters: Munich, Germany
Key Offering: Mueller Liquid Silicone-based Gap Fillers

Müller is a specialist in silicone-based materials, including a range of liquid thermal gap fillers. Their products are characterized by excellent long-term stability, resistance to environmental factors, and consistent performance over a wide temperature range.

Innovation Focus:

• Expertise in silicone chemistry for durable thermal solutions

• Products designed for harsh operating conditions

• Customizable formulations for specific industrial applications

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3️⃣ 8. BLUEOCEAN

Headquarters: Suzhou, China
Key Offering: BO-TGF Series Liquid Thermal Gap Fillers

BLUEOCEAN is a significant player in the Asian market, providing thermal management materials to the burgeoning electronics manufacturing sector. They offer competitive liquid gap filler solutions that meet the needs of cost-sensitive, high-volume production.

Innovation Focus:

• Localized production and support for the Asia-Pacific market

• Focus on scalability and supply chain efficiency

• Development of materials for new energy and automotive applications

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2️⃣ 9. Parker Chomerics

Headquarters: Woburn, Massachusetts, USA (Division of Parker Hannifin)
Key Offering: CHO-THERM® Liquid Gap Filler Materials

Parker Chomerics specializes in engineered materials that solve complex thermal and electromagnetic challenges. Their liquid gap fillers are part of a broader system approach to thermal management, often used in conjunction with other Chomerics products for optimal performance.

Innovation Focus:

• Systems-level approach to thermal management design

• Materials tested and qualified for critical applications

• Strong application engineering support for design-in phases

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1️⃣ 10. Shenzhen Kuhai Zhixin Technology Co., Ltd.

Headquarters: Shenzhen, China
Key Offering: KHz-TGF Liquid Thermally Conductive Adhesives

Shenzhen Kuhai Zhixin Technology is an emerging supplier in the thermal interface materials market, focusing on serving the vibrant electronics manufacturing hub of Southern China. They provide reliable liquid gap fillers for consumer electronics, telecommunications base stations, and power supply units.

Innovation Focus:

• Rapid prototyping and customization for local manufacturers

• Cost-competitive solutions for high-volume applications

• Expanding product portfolio to address evolving thermal needs

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

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🌍 Outlook: The Future of Thermal Management is Smarter and More Efficient

The Liquid Thermal Gap Fillers market is undergoing a significant transformation, driven by the relentless miniaturization of electronics and the global push towards electrification. While traditional thermal interface materials remain relevant, the industry is rapidly adopting advanced liquid formulations that offer superior performance, automation compatibility, and design flexibility.

📈 Key Trends Shaping the Market:

• Rising demand for high-thermal-conductivity (>5 W/mK) liquid gap fillers in power electronics and EVs

• Integration of liquid gap fillers in automated assembly lines for improved manufacturing efficiency

• Development of sustainable, low-VOC, and halogen-free formulations to meet environmental regulations

• Growing adoption in 5G infrastructure, AI servers, and advanced driver-assistance systems (ADAS)

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

The companies profiled above are not merely supplying materials; they are providing the thermal foundation that enables the next generation of electronic innovation, ensuring devices run cooler, last longer, and perform better.