The Global Silicone in Electric Vehicles Market was valued at USD 2.34 Billion in 2024 and is projected to reach USD 4.56 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 11.8% during the forecast period (2024–2030). This robust expansion is driven by accelerating EV adoption worldwide, stringent battery safety standards, and silicone’s exceptional performance in thermal management, electrical insulation, and vibration dampening applications.

As automakers transition to electric mobility, specialized silicone materials have become indispensable for battery systems, power electronics, and charging infrastructure. This blog examines the Top 10 Companies in the Silicone for Electric Vehicles Industry—chemical innovators delivering critical material solutions for next-generation EVs.

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🔟 1. Elkem Silicones

Headquarters: Oslo, Norway
Key Offering: Silicone elastomers, thermal interface materials, adhesives

Elkem leads the EV silicone market with its BlueSil® product line, providing flame-retardant solutions that meet UL 94 V-0 standards for automotive applications. The company holds 18% market share in Europe’s EV silicone sector.

Key Developments:

• High-purity silicones for lithium-ion battery sealing (99.9% purity)
• Thermal management systems showing 25% better heat dissipation vs alternatives
• Strategic partnerships with BMW, Volkswagen, and Northvolt

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Global Silicone in Electric Vehicles Market – View in Detailed Research Report

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9️⃣ 2. Wacker Chemie AG

Headquarters: Munich, Germany
Key Offering: Silicone fluids, resins, rubber compounds

Wacker’s ELASTOSIL® products are certified for 800V battery systems, featuring dielectric strengths exceeding 20kV/mm. The company has expanded production capacity by 40% since 2022 to meet EV demand.

Key Developments:

• EMI shielding silicones reducing electromagnetic interference by 35dB
• Automotive-grade materials compliant with ISO 6722 and LV 312 standards
• New R&D center focused on EV silicone solutions (€50M investment)

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8️⃣ 3. Shin-Etsu Chemical Co., Ltd

Headquarters: Tokyo, Japan
Key Offering: Thermal conductive silicones, adhesive sealants

As the world’s largest silicone producer, Shin-Etsu supplies materials to 70+ EV models globally. Its thermally conductive compounds demonstrate 5W/mK conductivity—40% higher than industry averages.

Key Developments:

• Ultra-low viscosity formulations for precision battery component applications
• Automotive qualification completed for 15 product grades in 2023
• $120M capacity expansion in Thailand operational since Q2 2024

Download FREE Sample Report:
Global Silicone in Electric Vehicles Market – View in Detailed Research Report

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7️⃣ 4. Dow Inc.

Headquarters: Midland, Michigan, USA
Key Offering: Silicone gels, encapsulants, adhesives

Dow’s DOWSIL™ products demonstrate exceptional performance in EV battery potting applications, with materials tested for over 1,500 charge cycles without degradation. The company achieved 68% YoY growth in automotive silicone sales during 2023.

Key Developments:

• Strategic material supply agreements with Tesla and Rivian
• New silicone adhesive formulations enabling 30% faster curing times
• Recyclable silicone program developing 90% reclaimed content materials

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6️⃣ 5. Momentive Performance Materials

Headquarters: Waterford, New York, USA
Key Offering: Silicone elastomers, adhesives

Momentive’s SILFORCE® product line includes UL94-rated flame-retardant silicones for battery encapsulation, with thermal stability maintaining performance at up to 200°C continuous operation.

Key Developments:

• Low-outgassing formulations meeting NASA outgassing standards
• Global production capacity increased by 25,000 MT in 2023
• Joint development program with CATL for next-gen battery silicones

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5️⃣ 6. KCC Corporation

Headquarters: Seoul, South Korea
Key Offering: Specialty silicones, thermal interface materials

KCC serves Korean automotive leaders with battery-pack silicones featuring 300% elongation properties and 0.5mm application precision, critical for modern battery manufacturing processes.

Key Developments:

• Local production at Asian gigafactories reduces lead times by 40%
• Fast-curing silicones cutting production cycle times by 18%
• Thermal expansion-matched formulations minimizing battery stress

Read Full Report:
Global Silicone in Electric Vehicles Market – View in Detailed Research Report

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4️⃣ 7. H.B. Fuller Company

Headquarters: St. Paul, Minnesota, USA
Key Offering: Silicone adhesives, sealants

H.B. Fuller develops structural silicone adhesives for EV battery assembly that withstand 15G vibration loads while enabling automated dispensing for high-volume production.

Key Developments:

• Crash-resistant formulations with 8MPa tensile strength
• Low-density options reducing battery weight by up to 12%
• Robotic application systems integrated at 15+ EV plants worldwide

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3️⃣ 8. CHT Group

Headquarters: Tübingen, Germany
Key Offering: High-purity silicones, thermally conductive pastes

CHT’s patented thermal interface materials deliver 5W/mK conductivity with dielectric breakdown >20kV/mm, specifically engineered for 800V battery architectures.

Key Developments:

• Automotive-grade silicones qualified since 2015
• Closed-loop recycling achieving 85% material recovery rate
• Custom formulations developed for solid-state battery prototypes

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2️⃣ 9. Rogers Corporation

Headquarters: Chandler, Arizona, USA
Key Offering: Silicone thermal materials, elastomers

Rogers’ BISCO® silicone foams provide lightweight, compressible seals for EV battery housings, with compression set below 10% after 500 hours at 150°C.

Key Developments:

• Automated dispensing solutions implemented at 8 major OEM facilities
• Patented silicone-fiber composites enhancing mechanical properties
• Thermal interface materials optimized for power electronics cooling

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1️⃣ 10. NuSil Technology (Avantor)

Headquarters: Carpinteria, California, USA
Key Offering: High-performance silicone elastomers

NuSil adapts aerospace-grade silicones for extreme EV applications, with formulations meeting GMW16832 standards for low corrosivity and ultra-high-voltage insulation.

Key Developments:

• Materials originally developed for space applications repurposed for automotive
• Custom solutions for battery firewalls and 1000V+ systems
• Collaborations with QuantumScape on solid-state battery materials

Read Full Report:
Global Silicone in Electric Vehicles Market – View in Detailed Research Report

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🔋 Outlook: Silicones Enabling the EV Revolution

The silicone EV market is evolving beyond conventional applications, with material innovations addressing the industry’s most pressing challenges. As battery technologies advance and vehicle architectures become more complex, specialized silicone solutions will play an increasingly critical role.

⚡ Market-Shaping Trends:

• Transition to 800V systems requiring enhanced dielectric properties
• New safety regulations mandating flame-retardant battery enclosure materials
• Solid-state battery development demanding flexible encapsulation solutions
• Automated production driving need for precision dispense characteristics

The companies profiled above are not just material suppliers—they’re enablers of safer, more efficient, and higher-performance electric vehicles through cutting-edge silicone technologies.

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