Automotive Silicone Market Size, Share, Demand To 2034

Straits Research published a report,“ Automotive Silicone Market Size & Outlook, 2026–2034”. According to the study, the market size is valued at USD 11.1 billion in 2025 and is projected to expand to USD 22.8 billion by 2034, registering a compound annual growth rate (CAGR) of 8.4%.

Market Dynamics

Driving the growth of the automotive silicone market are factors such as the use of high-performance silicone materials in sealing systems, electronic insulation, and thermal management functions in modern vehicles. This is further supported by the huge adoption of electric and hybrid vehicles, which raises the demand for high-performance silicone elastomers, LSR formulations, and thermally stable coatings that are able to withstand very high voltages and temperatures. The compact design of modern engines, along with emphasis on higher NVH performance and added complexity to automotive electronics, continues to drive growth in both OEM and aftermarket channels.

A principal growth driver is the industry-wide emphasis on improving component durability, environmental resistance, and long-term performance. Automakers across Asia-Pacific, North America, Europe, and emerging economies are laying a greater emphasis on material compliance standards that are becoming increasingly strict while advancing the adoption of silicone-based solutions that offer superior thermal stability, moisture resistance, and chemical compatibility. The ongoing move toward electrification, initiatives related to lightweighting, and higher vehicle safety standards create new frontiers for silicone manufacturers in battery systems, ADAS electronics, and high-reliability sealing applications. These strategic shifts within the sector continue to reinforce silicon's central role in next-generation automotive engineering.

Market Highlights

• Segmental Leadership: Silicone Elastomers hold the largest share (41.25%) in 2025, while the Liquid Silicone Rubber (LSR) segment accounted for 36.14% of the market share.
• Application Insights: The Gaskets segment leads the market with strong adoption across engine, powertrain, and EV battery sealing applications, registering a CAGR of 8.72%.
• Regional Insights: Asia Pacific dominates with a 38.67% revenue share in 2025, driven by expanding automotive production and EV manufacturing capacity across China, Japan, and South Korea.