The Global High Conductive Silicone Rubber (CSE) Market was valued at USD 1.52 Billion in 2024 and is projected to reach USD 2.31 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 6.8% during the forecast period (2024–2030). This robust growth is driven by escalating demand from the electronics and automotive sectors, the push for miniaturization in electronic devices, and advancements in 5G infrastructure and electric vehicle production.

As industries increasingly rely on efficient thermal management and electromagnetic interference (EMI) shielding, high conductive silicone rubber has become a critical material. In this blog, we profile the Top 10 Companies in the High Conductive Silicone Rubber (CSE) Industry—a group of chemical giants, specialty manufacturers, and innovators defining the future of conductive elastomers.

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🔟 1. Dow Corning (Part of Dow Inc.)

Headquarters: Midland, Michigan, USA
Key Offering: Silastic® brand conductive silicone rubbers, thermally conductive gels, EMI shielding compounds

Dow Corning, a global leader in silicones, offers a comprehensive portfolio of high-performance conductive silicone rubbers. Their Silastic® products are renowned for excellent thermal conductivity and stability across a wide temperature range, serving demanding applications in automotive electronics, aerospace, and power modules.

Innovation Focus:

• Development of high-thermal-conductivity fillers (e.g., boron nitride, alumina)

• Formulations for electric vehicle battery packs and power electronics

• Sustainable silicone solutions with reduced environmental impact

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9️⃣ 2. Shin-Etsu Chemical Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: KE-Prime Series, X-32 Series Silicone Rubbers, electrically conductive compounds

Shin-Etsu is one of the world’s largest manufacturers of silicone products, with a strong focus on high-quality conductive elastomers. Their materials are critical for semiconductor manufacturing equipment, LED lighting heat dissipation, and consumer electronics, prized for purity and consistent performance.

Innovation Focus:

• Advanced compounding for ultra-high thermal conductivity (>5 W/mK)

• Custom formulations for next-generation 5G base stations and devices

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8️⃣ 3. Wacker Chemie AG

Headquarters: Munich, Germany
Key Offering: ELASTOSIL® conductive rubber, thermally conductive pastes, electrically conductive silicones

Wacker Chemie’s ELASTOSIL® brand is a key player in the European and global CSE markets. The company provides solutions that offer excellent electrical insulation coupled with high thermal conductivity, making them ideal for insulating heat sinks and power electronic components.

Innovation Focus:

• Focus on liquid silicone rubber (LSR) formulations for injection molding

• Development of materials for high-voltage applications in electric vehicles

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7️⃣ 4. Momentive Performance Materials Inc.

Headquarters: Waterford, New York, USA
Key Offering: Silplus™ thermally conductive silicones, EMI shielding gaskets

Momentive specializes in creating high-performance silicones for extreme environments. Their conductive silicone rubbers are engineered to manage heat in aerospace, defense, and industrial applications, offering reliability under high thermal and mechanical stress.

Innovation Focus:

• Thermally conductive materials for aerospace avionics cooling

• Flame-retardant and high-temperature-stable CSE grades

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High Conductive Silicone Rubber (CSE) Market – View in Detailed Research Report

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6️⃣ 5. Primasil

Headquarters: Bury, United Kingdom
Key Offering: Custom conductive silicone rubber compounds, calendered sheets, extruded profiles

Primasil is a specialist manufacturer of high-performance silicone rubber, offering tailored conductive compounds. They serve niche markets requiring specific resistivity, hardness, and environmental resistance, with a strong presence in the European industrial sector.

Innovation Focus:

• Custom-colorable conductive compounds for design flexibility

• Specialization in extrusion and calendering for complex profiles and gaskets

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5️⃣ 6. Simolex Rubber Corporation

Headquarters: Scarborough, Ontario, Canada
Key Offering: Silicone rubber sheets, rolls, and custom molded parts with conductive properties

Simolex Rubber is a North American leader in fabricating silicone rubber products. They supply conductive silicone materials for EMI/RFI shielding, static discharge control, and thermal interface materials (TIMs) to a diverse industrial and electronics client base.

Innovation Focus:

• Integration of conductive silicone into complex multi-material assemblies

• Rapid prototyping and custom fabrication services

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4️⃣ 7. Silex Silicones Ltd

Headquarters: West Midlands, United Kingdom
Key Offering: Electrically Conductive Silicone Rubber (ECSR), thermally conductive grades

Silex Silicones specializes in manufacturing silicone rubber with precise conductive properties. Their materials are used extensively in the medical device industry, food processing equipment, and industrial automation where cleanliness and reliable conductivity are paramount.

Innovation Focus:

• Medical-grade, biocompatible conductive silicones

• Developments in platinum-cured silicones for high-purity applications

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3️⃣ 8. KCC Corporation

Headquarters: Seoul, South Korea
Key Offering: Silicone rubber compounds, thermally conductive sheets for electronics

KCC Corporation is a major chemical company in Asia with a growing portfolio of silicone-based materials. Their conductive silicone rubbers are gaining traction in the Asia-Pacific region, particularly for use in consumer electronics, displays, and automotive components.

Innovation Focus:

• Expansion of production capacity to meet regional demand

• Focus on cost-effective solutions for high-volume electronics manufacturing

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2️⃣ 9. Saint-Gobain

Headquarters: Courbevoie, France
Key Offering: NORBERRY® and SIGRAFLEX® thermally conductive interface materials

While known for a vast range of materials, Saint-Gobain’s high-performance ceramics and polymers division produces advanced thermal management solutions. Their silicone-based thermally conductive pads and gap fillers are essential in power electronics and battery systems.

Innovation Focus:

• High-compression, low-thermal-resistance gap-filler materials

• Silicone-free thermal interface materials for specific applications

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1️⃣ 10. Henkel AG & Co. KGaA

Headquarters: Düsseldorf, Germany
Key Offering: Bergquist-branded Gap Pad® TIMs, thermally conductive adhesives

Henkel, through its Bergquist brand, is a dominant force in thermal interface materials. Their silicone-based Gap Pad® products are industry standards for dissipating heat in everything from smartphones to electric vehicle inverters, combining ease of use with high performance.

Innovation Focus:

• Phase Change Materials (PCMs) and thermal gels for automated dispensing

• Sustainable materials initiatives and recycling programs

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High Conductive Silicone Rubber (CSE) Market – View in Detailed Research Report

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🌍 Outlook: The Future of Conductive Silicone Rubber Is Smarter and More Integrated

The High Conductive Silicone Rubber market is evolving rapidly, moving beyond basic thermal management to become an integral part of smart, efficient, and sustainable product design. As electronic systems become more powerful and densely packed, the demand for advanced CSE solutions will only intensify.

📈 Key Trends Shaping the Market:

• Electrification of Automotive: Massive growth in EV battery thermal management systems and power electronics.

• 5G and IoT Proliferation: Increased need for EMI shielding and heat dissipation in communication infrastructure and connected devices.

• Material Science Advancements: Development of hybrid fillers (e.g., graphene, carbon nanotubes) to achieve unprecedented conductivity levels.

• Sustainability and Circularity: Growing focus on recyclable silicone compounds and reducing the environmental footprint of electronic products.

Get Full Report Here:
High Conductive Silicone Rubber (CSE) Market – View in Detailed Research Report

The companies listed above are not just supplying materials—they are enabling the technological revolutions in electronics, mobility, and communications by providing the essential thermal and electrical management solutions for a hotter, faster, and more connected world.