The Global Closed Mold Carbon Fiber Composites Market was valued at USD 21.8 Billion in 2025 and is projected to reach USD 32.5 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 8.3% during the forecast period (2024–2030). This robust growth is fueled by the relentless demand for high-strength, lightweight materials across the aerospace, automotive, wind energy, and sporting goods sectors, coupled with advancements in manufacturing efficiency and automation.

As industries worldwide prioritize performance and sustainability, closed mold processes like Resin Transfer Molding (RTM), Vacuum Assisted Resin Transfer Molding (VARTM), and compression molding are becoming the gold standard for producing complex, high-volume composite parts. In this blog, we profile the Top 10 Companies in the Closed Mold Carbon Fiber Composites Industry—a dynamic mix of established material suppliers, innovative fabricators, and technology integrators shaping the future of advanced materials manufacturing.

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🔟 1. Hexcel Corporation

Headquarters: Stamford, Connecticut, USA
Key Offering: Carbon fibers, woven fabrics, prepregs, and composite structures

Hexcel is a global leader in advanced composites technology, supplying a wide range of carbon fiber materials essential for closed mold processes. The company’s high-performance prepregs and fabrics are critical for aerospace, defense, and industrial applications, where precision and repeatability are paramount.

Innovation and Market Focus:

• Development of high-flow resins for faster RTM cycle times

• Strategic partnerships with major aerospace OEMs like Airbus and Boeing

• Expansion of capacity to meet growing demand from the urban air mobility sector

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9️⃣ 2. Toray Industries, Inc.

Headquarters: Tokyo, Japan
Key Offering: TORAYCA® carbon fibers, prepregs, and composite materials

Toray is the world’s largest producer of carbon fibers by volume, with a dominant presence across all composite manufacturing techniques. Its materials are fundamental to closed mold processes used in everything from commercial aircraft fuselages to high-pressure hydrogen tanks for fuel cell vehicles.

Innovation and Market Focus:

• Pioneering large-tow, low-cost carbon fibers for automotive mass production

• Investment in acrylonitrile (the precursor for carbon fiber) production to secure supply chains

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Closed Mold Carbon Fiber Composites Market – View in Detailed Research Report

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8️⃣ 3. SGL Carbon

Headquarters: Wiesbaden, Germany
Key Offering: Carbon fibers, custom composite components, and material solutions

SGL Carbon is a key European player with expertise in developing custom composite solutions using closed mold technologies. The company serves the automotive industry with lightweight body panels and battery enclosures for electric vehicles, leveraging processes like HP-RTM for high-volume output.

Innovation and Market Focus:

• Focus on sustainable composites using bio-based resins and recycled carbon fibers

• Leading supplier of carbon fiber components for the BMW i-series and other premium vehicles

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7️⃣ 4. Solvay

Headquarters: Brussels, Belgium
Key Offering: High-performance thermoset and thermoplastic resins, prepregs

Solvay’s advanced matrix resins are engineered specifically for closed mold processes, enabling faster curing cycles and superior mechanical properties. The company’s portfolio supports applications in aerospace interiors, automotive structural parts, and consumer electronics.

Innovation and Market Focus:

• Development of fast-curing epoxy systems for RTM that reduce cycle times by up to 50%

• Expansion of thermoplastic composites for recyclable end-products

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6️⃣ 5. Teijin Limited

Headquarters: Tokyo, Japan
Key Offering: Tenax® carbon fibers, prepregs, and composite design services

Teijin is a major innovator in carbon fiber and composites, with a strong focus on the automotive and aerospace sectors. The company’s expertise in closed molding is demonstrated through its production of complex, net-shape components that require minimal post-processing.

Innovation and Market Focus:

• Acquisition of Continental Structural Plastics to strengthen its automotive composites business

• Development of intermediate materials tailored for high-pressure resin transfer molding (HP-RTM)

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Closed Mold Carbon Fiber Composites Market – View in Detailed Research Report

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5️⃣ 6. Gurit Holding AG

Headquarters: Wattwil, Switzerland
Key Offering: Core materials, structural adhesives, engineered composite kits

Gurit specializes in providing the essential “ingredients” for closed mold composite manufacturing, including specialty resins, core materials, and prefabricated kits. The company is a pivotal partner for fabricators in the wind energy, marine, and transportation industries.

Innovation and Market Focus:

• Leading supplier of composite materials for wind turbine blade manufacturing

• Development of low-viscosity infusion resins for large marine structures

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4️⃣ 7. Owens Corning

Headquarters: Toledo, Ohio, USA
Key Offering: Fiberglass and carbon fiber reinforcements, engineered fabrics

While known for its fiberglass, Owens Corning is a significant supplier of reinforcements used in various closed mold processes. The company’s technical fabrics provide the foundation for composite parts in construction, automotive, and industrial applications.

Innovation and Market Focus:

• Investment in hybrid fabric technologies combining carbon and glass fibers for optimized performance-to-cost ratios

• Sustainability initiatives focused on recycling and circular economy models for composites

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3️⃣ 8. Mitsubishi Chemical Carbon Fiber and Composites, Inc.

Headquarters: Sacramento, California, USA
Key Offering: Pyrofil® carbon fibers, intermediate materials, and molded parts

Mitsubishi Chemical is a vertically integrated leader, producing carbon fiber from precursor to finished composite components. The company’s advanced materials are used in high-pressure tanks, aerospace interiors, and high-performance automotive parts manufactured via closed molding.

Innovation and Market Focus:

• Leading position in carbon fiber for Type IV hydrogen storage tanks

• Development of carbon fiber thermoplastics for rapidly molded, recyclable components

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Closed Mold Carbon Fiber Composites Market – View in Detailed Research Report

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2️⃣ 9. Hexion Inc.

Headquarters: Columbus, Ohio, USA
Key Offering: Epoxy, phenolic, and vinyl ester resins for composites

Hexion develops the specialty resins that are the lifeblood of closed mold processes. Its formulations are critical for achieving the flow, cure kinetics, and final properties required in high-performance applications like aerospace primary structures and electrical laminates.

Innovation and Market Focus:

• Formulating bio-based epoxy resins to reduce the carbon footprint of composite parts

• Tailored resin systems for the RTM production of automotive leaf springs and other structural components

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1️⃣ 10. Huntsman Corporation

Headquarters: The Woodlands, Texas, USA
Key Offering: Aradur® and Araldite® epoxy curing agents and resins

Huntsman is a global chemical giant whose advanced materials division provides essential resin systems for composite manufacturing. The company’s products enable the production of large, complex structures using closed mold techniques in the wind energy, automotive, and aerospace sectors.

Innovation and Market Focus:

• Development of fast-curing systems for high-volume automotive RTM lines

• Collaboration with machine suppliers to optimize the entire resin infusion process

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Closed Mold Carbon Fiber Composites Market – View in Detailed Research Report

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🌍 Outlook: The Future is Automated, Scalable, and Sustainable

The closed mold carbon fiber composites market is undergoing a significant transformation, driven by the need for faster production cycles, lower costs, and more sustainable lifecycles. While traditional aerospace applications continue to dominate in value, the future growth is increasingly tied to the mass markets of automotive and renewable energy.

📈 Key Trends Shaping the Market:

• Accelerated adoption of HP-RTM and Compression Molding for automotive volume production

• Growing demand for carbon fiber composites in wind turbine blades exceeding 100 meters in length

• Increased R&D into recycling technologies and bio-derived materials to address end-of-life concerns

• Digitalization and Industry 4.0 integration for real-time process monitoring and quality control

Read Full Report:
Closed Mold Carbon Fiber Composites Market – View in Detailed Research Report

The companies listed above are not only supplying materials—they are enabling the lightweight revolution that is critical for achieving greater energy efficiency and performance across global industries.

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