The Global Two-component Thermally Conductive Silicone Encapsulant Market was valued at USD 732.5 Million in 2025 and is projected to reach USD 1.2 Billion by 2034, growing at a Compound Annual Growth Rate (CAGR) of 7.8% during the forecast period (2024–2034). This robust growth is being propelled by the escalating demand for high-performance thermal management solutions in electronics, the rapid expansion of electric vehicles (EVs), and the increasing complexity of avionics and telecommunications systems requiring superior heat dissipation.

As electronic devices become more powerful and compact, the need to protect sensitive components from overheating is paramount. In this crucial role, advanced encapsulants are the unsung heroes, ensuring reliability and longevity. In this blog, we profile the Top 10 Companies in the Two-component Thermally Conductive Silicone Encapsulant Industry—a distinguished group of chemical giants and specialty material innovators shaping the thermal management landscape.

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🔟 1. Dow Inc.

Headquarters: Midland, Michigan, USA
Key Offering: DOWSIL™ TC Series Encapsulants

Dow is a global leader in material science, and its DOWSIL™ brand offers a comprehensive portfolio of high-performance silicone encapsulants. These two-component systems are engineered for exceptional thermal conductivity, electrical insulation, and environmental protection for demanding applications in power electronics and automotive systems.

Innovation & Sustainability Initiatives:

• Development of high-thermal-conductivity formulations exceeding 3.0 W/m·K

• Focus on materials for EV battery packs and power modules

• Commitment to sustainable product designs and manufacturing processes

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9️⃣ 2. Shin-Etsu Chemical Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: KER Series, X-32 Series Silicone Encapsulants

Shin-Etsu Chemical is one of the world’s largest manufacturers of silicone products. Its two-component thermally conductive encapsulants are renowned for their reliability, ease of use, and excellent thermal and mechanical properties, serving a global clientele in the electronics and automotive sectors.

Innovation & Sustainability Initiatives:

• Advanced materials for 5G infrastructure and high-power LEDs

• Investment in R&D for next-generation thermal interface materials

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8️⃣ 3. 3M Company

Headquarters: St. Paul, Minnesota, USA
Key Offering: 3M™ Thermally Conductive Adhesive/Encapsulant

3M’s diverse innovation portfolio includes high-performance encapsulants that provide superior thermal management and protection. Their two-component silicone systems are designed for potting and encapsulation of components that generate significant heat, ensuring operational stability.

Innovation & Sustainability Initiatives:

• Solutions tailored for aerospace, defense, and renewable energy applications

• Commitment to achieving carbon neutrality by 2050

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7️⃣ 4. Henkel AG & Co. KGaA

Headquarters: Düsseldorf, Germany
Key Offering: LOCTITE® ABLESTIK® TC Encapsulants

Henkel’s Electronics division is a key player in the adhesives and encapsulants market. Its LOCTITE® ABLESTIK® series includes two-component silicone encapsulants that offer excellent thermal conductivity and are widely used in automotive electronics, industrial drives, and sensor protection.

Innovation & Sustainability Initiatives:

• Strong focus on e-mobility solutions, including battery management systems

• Development of halogen-free and low-VOC formulations

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Two-component Thermally Conductive Silicone Encapsulant Market – View in Detailed Research Report

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6️⃣ 5. Momentive Performance Materials Inc.

Headquarters: Waterford, New York, USA
Key Offering: Silplus™ TC Encapsulants

Momentive specializes in silicones and advanced materials. Its Silplus™ product line features two-component encapsulants that provide durable protection and efficient heat dissipation for electronic assemblies operating in harsh environments.

Innovation & Sustainability Initiatives:

• Products designed for high-temperature stability and long-term reliability

• R&D in ceramic-filled silicone systems for enhanced thermal performance

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5️⃣ 6. Wacker Chemie AG

Headquarters: Munich, Germany
Key Offering: ELASTOSIL® RT/TC Encapsulants

Wacker is a leading global chemical company with a strong focus on silicone chemistry. Its ELASTOSIL® brand offers two-component addition-curing silicone encapsulants that cure at room temperature or with heat, providing outstanding thermal conductivity and electrical insulation.

Innovation & Sustainability Initiatives:

• Focus on materials for photovoltaics, power electronics, and LED lighting

• Sustainable production processes and product lifecycle management

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4️⃣ 7. Parker Hannifin Corporation (LORD Corporation)

Headquarters: Charlotte, North Carolina, USA
Key Offering: LORD TC Series Encapsulants

Following its acquisition by Parker Hannifin, LORD’s advanced materials division continues to be a critical supplier of high-performance encapsulants. Their two-component silicone systems are engineered for thermal management and environmental sealing in demanding aerospace, defense, and industrial applications.

Innovation & Sustainability Initiatives:

• Expertise in materials that withstand extreme temperatures and vibration

• Custom-formulated solutions for specific customer challenges

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3️⃣ 8. Electrolube

Headquarters: Derby, United Kingdom
Key Offering: TCS Series Two-Part Silicone Encapsulants

Electrolube, a division of HK Wentworth Ltd, specializes in chemical specialties for the electronics and industrial sectors. Its TCS series of two-part silicones are popular for their thermal conductivity, flexibility, and protection against moisture and chemicals.

Innovation & Sustainability Initiatives:

• Strong application engineering support and technical service

• Development of environmentally friendly conformal coatings and encapsulants

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2️⃣ 9. CHT Group

Headquarters: Tübingen, Germany
Key Offering: SILTEC® TC Encapsulants

The CHT Group is a global specialist in chemical applications. Its SILTEC® product range includes innovative two-component silicone encapsulants known for their excellent thermal properties and reliability, serving the automotive, appliance, and energy sectors.

Innovation & Sustainability Initiatives:

• Focus on resource-efficient products and processes

• Comprehensive product portfolio for diverse thermal management needs

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1️⃣ 10. H.B. Fuller Company

Headquarters: St. Paul, Minnesota, USA
Key Offering: Fullerec® TC Silicone Encapsulants

H.B. Fuller is a leading global adhesives provider, and its electronics segment offers high-performance encapsulants. The Fullerec® line includes two-component silicone systems designed to protect sensitive components from thermal and mechanical stress.

Innovation & Sustainability Initiatives:

• Adhesives and encapsulants for next-generation consumer electronics

• Commitment to sustainability through responsible sourcing and manufacturing

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Two-component Thermally Conductive Silicone Encapsulant Market – View in Detailed Research Report

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

The two-component thermally conductive silicone encapsulant market is undergoing a significant transformation. As power densities increase across all electronic sectors, the demand for materials that can effectively manage heat while providing robust protection is greater than ever.

📈 Key Trends Shaping the Market:

• Rising adoption in Electric Vehicle (EV) power electronics and battery packs

• Growing demand from the renewable energy sector, particularly in solar inverters and wind turbine converters

• Development of ultra-high thermal conductivity formulations (>4.0 W/m·K) for next-generation computing

• Increased focus on fast-curing systems to improve manufacturing throughput

The companies listed above are not only supplying essential materials—they are enabling the technological advancements that define our modern world, from greener transportation to more powerful communications.

Get Full Report Here:
Two-component Thermally Conductive Silicone Encapsulant Market – View in Detailed Research Report