Top 10 Companies in the Global Thermally Conductive Gap Fillers Industry (2025): Market Leaders Powering Next-Gen Thermal Solutions

In Business Insights
August 08, 2025

The Global Thermally Conductive Gap Fillers Market was valued at USD 1.21 Billion in 2023 and is projected to reach USD 2.48 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 9.8% during the forecast period (2024–2030). This expansion is driven by escalating demand for efficient thermal management in electric vehicles, 5G infrastructure, and high-power electronics, coupled with the miniaturization trend requiring advanced heat dissipation solutions.

As thermal challenges intensify across industries, manufacturers of thermally conductive gap fillers are pioneering materials that combine superior thermal performance with mechanical reliability. This report examines the Top 10 Companies in the Thermally Conductive Gap Fillers Industry – innovators delivering silicone and non-silicone solutions for tomorrow’s thermal management challenges.


🔟 1. Dow Chemical Company

Headquarters: Midland, Michigan, USA
Key Offering: Silicone-based thermal gap fillers and adhesives

Dow leads the market with its silicone thermal interface materials portfolio, offering gap fillers with conductivity ranging from 1.5 to 6.0 W/mK. Their solutions are widely adopted in automotive ADAS systems, power electronics, and telecom equipment.

Technical Advantages:

  • Low-outgassing formulations for aerospace applications
  • Custom hardness options (Shore 00-50 to OO-70)
  • Automotive-grade materials with IATF 16949 certification

Download FREE Sample Report: Global Thermally Conductive Gap Fillers Market – View Detailed Research Report


9️⃣ 2. Henkel AG & Co. KGaA

Headquarters: Düsseldorf, Germany
Key Offering: Bergquist brand thermal interface materials

Henkel’s Bergquist product line delivers comprehensive thermal solutions, including gap fillers with conductivities up to 14 W/mK for demanding applications in EV battery systems and power conversion equipment.

Technical Advantages:

  • Phase-change materials with automated dispensing compatibility
  • UL 94 V-0 flame-rated formulations
  • Tailored solutions for high-voltage applications (up to 10kV)

8️⃣ 3. 3M Company

Headquarters: St. Paul, Minnesota, USA
Key Offering: Thermally conductive tapes and form-in-place gap fillers

3M’s thermal management portfolio includes compressible gap fillers with thermal conductivity from 1.0 to 13.0 W/mK, serving industries from consumer electronics to renewable energy systems.

Technical Advantages:

  • Proprietary boron nitride particle technology
  • Non-silicone options for sensitive electronics
  • Materials qualified for automotive under-hood applications

Download FREE Sample Report: Global Thermally Conductive Gap Fillers Market – View Detailed Research Report


7️⃣ 4. Parker Hannifin Corporation

Headquarters: Cleveland, Ohio, USA
Key Offering: Chomerics thermal interface materials

Parker’s Chomerics division provides high-performance gap fillers for aerospace, defense, and automotive applications, featuring both silicone and non-silicone chemistries.

Technical Advantages:

  • Electrically insulating materials with volume resistivities >10^14 ohm-cm
  • Low thermal resistance formulations for power modules
  • NASA-approved materials for space applications

6️⃣ 5. Laird Technologies, Inc.

Headquarters: Chesterfield, Missouri, USA
Key Offering: Tputty™ series non-silicone gap fillers

Laird specializes in highly conformable thermal interface materials, with formulations optimized for electric vehicle battery thermal management and industrial power electronics.

Technical Advantages:

  • Thermal conductivity up to 12 W/mK
  • Non-slump formulations for vertical mounting
  • Compatible with automated dispensing systems

5️⃣ 6. Momentive Performance Materials

Headquarters: Waterford, New York, USA
Key Offering: Silicone-based thermal compounds

Momentive provides high-purity silicone materials for thermal management, offering gap fillers with excellent dielectric properties and thermal performance.

Technical Advantages:

  • Thermal stability from -50°C to 200°C
  • Customizable rheology for different application methods
  • Solutions for high-voltage power semiconductors

4️⃣ 7. Fujipoly

Headquarters: Tokyo, Japan
Key Offering: Sarcon® ultra-soft thermal gap pads

Fujipoly’s Sarcon products offer exceptional conformability for delicate electronic components, with thermal conductivities reaching 25 W/mK in specialized formulations.

Technical Advantages:

  • World-record thermal conductivity for elastomeric materials
  • Pre-cut solutions for high-volume manufacturing
  • Excellent conformability to surface irregularities

3️⃣ 8. Boyd Corporation

Headquarters: Pleasanton, California, USA
Key Offering: Aavid Thermalloy thermal interface materials

Boyd offers a complete range of gap filler materials tailored for mission-critical cooling applications in automotive, aerospace, and industrial equipment.

Technical Advantages:

  • Automotive-grade materials with PPAP documentation
  • Integrated thermal system design services
  • Global manufacturing footprint

Download FREE Sample Report: Global Thermally Conductive Gap Fillers Market – View Detailed Research Report


2️⃣ 9. Indium Corporation

Headquarters: Clinton, New York, USA
Key Offering: Thermal interface materials and solder preforms

Indium Corporation provides advanced thermal interface solutions with particular focus on high-performance computing and power semiconductor applications.

Technical Advantages:

  • Metal-particle enhanced thermal compounds
  • Lead-free, RoHS compliant materials
  • Materials science expertise in thermal interfaces

1️⃣ 10. Shielding Solutions

Headquarters: Rochester, New York, USA
Key Offering: Thin-profile thermal gap fillers

Shielding Solutions specializes in space-efficient thermal management materials for compact electronics, offering solutions as thin as 0.1mm.

Technical Advantages:

  • Combined EMI shielding and thermal management
  • Custom fabrications for specific application needs
  • Materials for 5G infrastructure components

Get Full Report Here: Global Thermally Conductive Gap Fillers Market – View Detailed Research Report


🌍 Outlook: Next-Gen Thermal Materials Drive Market Evolution

The thermally conductive gap fillers market is experiencing rapid technological advancement as designers push the boundaries of power density across industries. From EV battery packs to AI server farms, innovative materials are required to manage escalating thermal loads.

📈 Key Market Development Trends:

  • Emergence of hybrid filler materials combining ceramic and metallic particles
  • Growing adoption of automated dispensing for high-volume production
  • Development of ultra-soft materials for fragile semiconductor packages
  • Integration with other thermal management components in system-level solutions
  • Stringent reliability requirements for automotive and aerospace applications

Get Full Report Here: Global Thermally Conductive Gap Fillers Market – View Detailed Research Report