The Global Thermoset Compounds for Vehicles Powertrain Market was valued at USD 2.8 Billion in 2023 and is projected to reach USD 4.1 Billion by 2028, growing at a Compound Annual Growth Rate (CAGR) of 7.9% during the forecast period (2023–2028). This robust growth is being driven by the global transition to electric and eco-friendly vehicles, increasing demand for lightweight and heat-resistant components, and stringent emissions regulations pushing automotive manufacturers toward advanced material solutions.

As the automotive industry accelerates its shift toward electrification and higher efficiency, thermoset compounds have become critical enablers for next-generation powertrains. These materials offer unparalleled thermal stability, chemical resistance, and dimensional integrity under the hood’s demanding conditions. In this blog, we profile the Top 10 Companies in the Thermoset Compounds for Vehicles Powertrain Industry—a diverse group of chemical innovators and composite specialists shaping the future of automotive engineering.

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Thermoset Compounds for Vehicles Powertrain Market – View in Detailed Research Report

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🔟 1. Sumitomo Bakelite Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Phenolic Molding Compounds, Epoxy Molding Compounds, BMC

Sumitomo Bakelite is a global leader in high-performance thermoset materials, with a significant focus on automotive applications. Their products are extensively used in engine components, transmission parts, and electric vehicle power modules due to excellent heat resistance and electrical insulation properties.

Innovation and Market Focus:

• Development of halogen-free flame-retardant compounds for EV battery housings

• High-flow molding compounds for complex powertrain components

• Strategic partnerships with major automotive OEMs in Asia, Europe, and North America

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9️⃣ 2. IDI Composites International

Headquarters: Noblesville, Indiana, USA
Key Offering: Bulk Molding Compound (BMC), Sheet Molding Compound (SMC), High-Temperature Composites

IDI Composites International is a foremost manufacturer of thermoset molding compounds, serving the automotive sector with materials that withstand extreme under-hood environments. Their products are critical for components like ignition systems, sensor housings, and actuator parts.

Innovation and Market Focus:

• Advanced BMC formulations for electrified powertrain applications

• Global manufacturing footprint ensuring supply chain resilience

• Focus on sustainable material solutions with recycled content

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8️⃣ 3. RTP Company

Headquarters: Winona, Minnesota, USA
Key Offering: Engineered Thermoplastic Compounds, Speciality Compounds including high-temperature grades

While renowned for thermoplastics, RTP Company offers specialized thermoset and high-heat compounds suitable for specific powertrain applications. Their expertise in material science supports the development of custom solutions for challenging automotive requirements.

Innovation and Market Focus:

• Custom compounding services for unique OEM specifications

• Materials for electrification, including battery thermal management systems

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Thermoset Compounds for Vehicles Powertrain Market – View in Detailed Research Report

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7️⃣ 4. Polynt Group

Headquarters: Scandiano, Italy
Key Offering: Unsaturated Polyester Resins, BMC, SMC, Specialty Compounds

Polynt is a major European player in thermoset composites, providing essential materials for automotive structural and powertrain components. Their compounds are valued for high mechanical strength and resistance to oils and fuels.

Innovation and Market Focus:

• Lightweighting solutions for electric vehicle platforms

• Bonding and encapsulation compounds for power electronics

• Strong presence in the European automotive supply chain

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6️⃣ 5. Toray Advanced Composites

Headquarters: Morgan Hill, California, USA (Parent: Toray Industries, Japan)
Key Offering: Advanced Thermoset Prepregs, BMC, SMC

Toray Advanced Composites leverages the technological prowess of its parent company, Toray Industries, to deliver high-performance composite materials. Their thermoset compounds are used in demanding applications, including under-hood components requiring exceptional thermal and chemical stability.

Innovation and Market Focus:

• Carbon fiber-reinforced thermosets for ultra-lightweight components

• Materials supporting the aerospace and automotive sectors

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5️⃣ 6. Hexion Inc.

Headquarters: Columbus, Ohio, USA
Key Offering: Epoxy Resins, Formulated Systems, Molding Compounds

Hexion is a leading global producer of thermoset resins. Their epoxy-based molding compounds and encapsulation systems are critical for protecting sensitive electronics in electric vehicle powertrains, such as inverters and motor controllers.

Innovation and Market Focus:

• High-performance epoxy systems for electrical insulation

• Solutions for battery module assembly and thermal runaway prevention

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4️⃣ 7. Plenco (Plastics Engineering Company)

Headquarters: Sheboygan, Wisconsin, USA
Key Offering: Phenolic Molding Compounds, Thermoset Polyesters, BMC

Plenco has been a trusted manufacturer of thermoset materials for decades. Their phenolic and polyester compounds are widely used in automotive applications requiring high heat deflection temperatures and excellent dimensional stability.

Innovation and Market Focus:

• Custom color matching and compound formulations

• Materials for sensors, connectors, and other under-hood electronics

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3️⃣ 8. Kyocera Chemical Corporation

Headquarters: Yamaguchi, Japan (Part of Kyocera Group)
Key Offering: Fine Ceramics, Advanced Plastic Compounds, DAP (Diallyl Phthalate)

Kyocera Chemical offers high-purity DAP molding compounds, known for their superior electrical properties, moisture resistance, and high-temperature performance. These are ideal for intricate electrical components within vehicle powertrains.

Innovation and Market Focus:

• High-reliability compounds for automotive sensors and connectors

• Integration of ceramic and plastic technologies for hybrid components

Download FREE Sample Report:
Thermoset Compounds for Vehicles Powertrain Market – View in Detailed Research Report

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2️⃣ 9. Huayuan Group

Headquarters: Pingyi County, Shandong, China
Key Offering: BMC, SMC, Phenolic Molding Compounds

Huayuan Group is a leading Chinese manufacturer of thermoset molding compounds, serving a rapidly growing domestic automotive market. The company provides cost-effective and reliable materials for a wide range of powertrain applications.

Innovation and Market Focus:

• Focus on supplying China’s booming EV manufacturing sector

• Expansion of production capacity to meet increasing demand

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1️⃣ 10. Mar-Bal, Inc.

Headquarters: Chagrin Falls, Ohio, USA
Key Offering: BMC, SMC, Thermally Conductive Compounds

Mar-Bal specializes in engineered thermoset composites, with a strong focus on the automotive industry. Their expertise includes developing compounds with enhanced properties like thermal conductivity, which is crucial for managing heat in electric vehicle powertrains.

Innovation and Market Focus:

• Value-added services including component design and in-house tooling

• Thermally conductive compounds for EV battery and power electronics cooling

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Thermoset Compounds for Vehicles Powertrain Market – View in Detailed Research Report

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🔧 Outlook: The Future of Automotive Powertrains is Lightweight and Electrified

The thermoset compounds market for vehicle powertrains is at a pivotal juncture. While traditional internal combustion engine applications remain important, the explosive growth in electric vehicles is creating new, high-value opportunities. The industry’s focus is shifting toward materials that enable electrical insulation, thermal management, and lightweighting.

📈 Key Trends Shaping the Market:

• Accelerated adoption of BMC and SMC for EV battery housings and structural components

• Increasing demand for high-temperature epoxy systems for motor encapsulation and power electronics

• Development of sustainable thermosets with bio-based content or improved recyclability profiles

• Material innovations to support 800-volt+ architectures in next-generation EVs, requiring superior dielectric strength

Get Full Report Here:
Thermoset Compounds for Vehicles Powertrain Market – View in Detailed Research Report

The companies listed above are not only supplying essential materials—they are enabling the technological evolution of the automotive industry, making vehicles cleaner, more efficient, and more powerful.