Top Automotive Silicone Companies Driving Innovation in Vehicle Manufacturing

The automotive silicone refers to the use of silicone-based materials in a variety of automotive applications that include sealing, bonding, insulation, thermal management, and vibration control. These materials include elastomers, adhesives/sealants, fluids, resins, and gels that exhibit properties essential for modern automotive design such as durability and excellent thermal stability as well as superior electrical insulation ability.

The demand for automotive silicone is tied to the increasing production of vehicles, electronics in vehicles, and a growing need for high-performance materials in the automotive industry. Silicone materials are used in many areas of vehicle design including powertrain systems, battery packs, infotainment modules, sensors and lighting systems, where resistance to heat, chemicals, and aging are very important. These materials support long-term dependable performance and safety of vehicles due to their quality of remaining functional under extreme operational or environmental conditions.

Driven by these progressions, the market for automotive silicone, reported by Fortune Business Insights. was valued at USD 3.41 billion in 2025. It is estimated to hit USD 6.56 billion by 2034, with a remarkable CAGR of 7.6% over the forecast period.

Fortune Business Insights Lists Top 10 Automotive Silicone Companies in the Market

1. Dow Inc.

Headquartered in the U.S., Dow Inc. is a material-science based company, operating through its subsidiary, The Dow Chemical Co. (TDCC). Dow Inc. offers plastics, performance materials, coatings, and silicone products across several regions in the world.

In September 2025, Dow introduced new DOWSIL™ EA-3838 Fast Adhesive, an advanced primerless silicone adhesive that cures rapidly without oven heat for improved productivity and reduced energy usage in the manufacture of appliances, automotive electronics, lighting and avionics. This innovative new adhesive cures at room temperature and provides fast adhesion for shorter cycle times. Additionally, DOWSIL™ EA-3838 Fast Adhesive creates strong, reliable bonds between a variety of dissimilar materials, including glass to metal, glass to painted metal and glass to plastic.

2. Wacker Chemie AG

Headquartered in Germany, WACKER is one of the top automotive silicone companies worldwide, with over 2,800 highly specialized products. The division’s portfolio ranges from silicone fluids, emulsions, resins, elastomers and sealants to silanes, silane-terminated polymers and pyrogenic silica. They stand out due to their significant value-adding potential for the customers, enhancing both the benefits and performance of end products. WACKER uses the precious metal as a catalyst for the curing of crosslinking silicone release agents and for addition-curing silicone products.

3. Elkem ASA

Headquartered in Norway, Elkem ASA is a leading provider for advanced silicon-based materials, shaping a sustainable and innovative future. The company also develops carbon solutions from a combination of natural raw materials, renewable energy, and human ingenuity.

In September 2025, Elkem ASA, one among the top 10 automotive silicone companies, announced another silicone circularity breakthrough: the successful validation of a proof of concept for an innovative mechanical recycling process for High Consistency Rubbers (HCR). The innovation enables the recycling of cross-linked HCR waste and the reintroduction of the recycled material into new formulations. With re-incorporation rates exceeding 50% and excellent mechanical properties of the resulting material, Elkem demonstrates how advanced material engineering can unlock scalable circular approaches for high-performance silicone elastomers that help reduce waste and carbon footprint, while meeting growing market demand for circular elastomer solutions.

4. Shin-Etsu Chemical

Headquartered in Japan, Shin-Etsu Chemical is a chemical company, which manufactures a wider range of products. The company offers a variety of materials, including Polyvinyl Chloride (PVC), semi-conductor silicone, and cellulose derivatives.

In March 2023, Shin-Etsu Chemical Co., Ltd. developed a new silicone rubber for molding that is optimal as an insulation covering material for high-voltage cable used in automobiles. Shin-Etsu Chemical’s new silicone rubber for molding product, the KE-5641-U, will help facilitate the solution of these issues. With this new product’s high withstand voltage characteristics, even when the high-voltage cable’s insulation system covering layers are made thinner, superior insulation performance is secured.

5. KCC Corporation

Headquartered in South Korea, KCC Corporation is a chemical and auto-parts manufacturer. KCC Silicone has made a significant investment into thermal management materials for both autonomous vehicles and future mobility. KCC Silicone’s growth aligns well with Hyundai MOBIS, who have a number of strategies related to these markets. 

In March 2024, KCC strengthened its global position by merging with Momentive Performance Materials Korea, thereby enhancing KCC’s expertise in EV components, including power control semiconductors (IGBT) and EMI shielding.

In May 2024, KCC Corporation completed the full acquisition of Momentive Performance Material, which added to KCC’s global silicone portfolio while also expanding KCC’s capability in automotive, electronics, and specialty materials.

6. Henkel AG & Co. KGaA

Headquartered in Germany, Henkle AG is a multinational company, specializing in chemical and consumer goods. The company provides consumer goods products including adhesives, sealants, and functional coatings, along with detergents, hair care products, and fabric softeners.

In December 2025, Henkel launched Loctite MS 9650 for durable, lightweight structural bonding for automotive display. It is a next-generation adhesive and sealant engineered to exceed automotive customers’ high expectations for flexibility and sustainability. Loctite MS 9650’s silicone-free formula supports low-VOC production for improved operator safety, while its zero content of isocyanates and PVC helps minimize environmental impact and waste. Additionally, it is suitable for lightweight vehicle assemblies, contributing to energy-efficient vehicles overall.

7. 3M Company

3M Company is headquartered in the U.S. The company is a multinational organization, specializing in the field of worker safety, consumer goods, and automotive industry. 3M produces numerous products including abrasives, adhesives, window films, and optical films.

In September 2025, 3M joined the next-generation semiconductor packaging consortium JOINT3, an effort to bring together global leaders in semiconductor materials, equipment and design. JOINT3 is a co-creation evaluation platform established by Japan-based Resonac Corporation with the aim of accelerating the development of tools optimized for panel-level organic interposers. The thin layers are made from organic materials that connect different parts of an electronic device to manage electrical signals and power between components.

8. H.B. Fuller

Headquartered in the U.S., H.B. Fuller is a global leader in adhesives providers. The company offers sealants and other specialty chemical products to enhance their products. H.B. Fuller is working to grow its engineering adhesive offerings by acquiring other companies, enhancing the sustainability of their EV batteries and maximizing the efficiency of its production facilities. They are currently concentrating on high-performance adhesion solutions for EVs and Advanced Driver Assistance Systems (ADAS). In May 2024, H.B. Fuller acquired ND Industries, which specializes in providing fastener locking and sealing solutions, to further enhance the engineering adhesives they have available for use in the automotive and electronics industries.

9. Sika AG

Headquartered in Switzerland, Sika AG is a multispecialty chemical-based company, responsible for the distribution and production of a wide variety of products for sealing, bonding, camping, reinforcing, and protection of the buildings and industries.

In December 2021, Sika opened a new technology center and manufacturing plant for high-quality adhesives and sealants in Pune, Maharashtra. Developments at their new R&D laboratories and production in the new plant are aimed at meeting the rapidly growing demand in the Indian market. In its three new production lines, Sika mainly manufactures products for the transportation, construction, and renewable energy sectors.

10. Bluestar

Blue Star is India's leading air conditioning, commercial refrigeration, and MEP contracting company with over 80 years of experience. Founded in 1943, it provides comprehensive, energy-efficient, and sustainable cooling solutions for residential, commercial, and infrastructure segments, alongside water/air purifiers. 

Is the New Innovation in Automotive Silicone Will Lead to Advanced Vehicle Manufacturing?

The automotive silicone industry will continue to grow rapidly with growth in electric vehicles (EVs) and the introduction of autonomous vehicles and technologies, as well as a greater need for lightweight vehicles. Advanced thermo management for high-performance batteries and sensors, new developments in sustainable materials to add to vehicle efficiency and durability, and light weighting of vehicles are among the key trends. With the automotive industry shifting away from using traditional internal combustion engines towards the use of Intelligent Electrified Vehicles (IEV), silicone products are moving from simple gasket materials into advanced technology enablers for the future. The future development of these products over the next 10 years will be defined by high-performance thermal management of EV batteries and strong protection of autonomous sensor suite technologies. These products will be developed with specialized functions versus only being developed for durability, and developed using sustainable manufacturing processes.