The Global and United States Double-Walled Carbon Nanotube Market was valued at USD 58.3 Million in 2023 and is projected to reach USD 215.7 Million by 2029, growing at a Compound Annual Growth Rate (CAGR) of 24.1% during the forecast period (2023–2029). This robust expansion stems from surging demand in electronics and energy storage, advancements in scalable production techniques, and increasing applications in aerospace and automotive industries seeking lightweight, high-strength materials.

As nanotechnology evolves to address challenges in materials science and sustainable technologies, attention turns to the innovators at the forefront of double-walled carbon nanotube (DWNT) development. These structures, consisting of two concentric graphene cylinders, offer superior electrical and mechanical properties compared to single-walled variants. In this blog, we spotlight the Top 10 Companies in the Double-Walled Carbon Nanotube Market—a blend of chemical giants, specialized nanomaterial firms, and research-driven players propelling DWNT adoption worldwide and in the United States.

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🔟 1. Arkema S.A.

Headquarters: Colombes, France
Key Offering: Graphistrength® DWNTs for composites and electronics

Arkema S.A. stands as a global leader in specialty chemicals, with its Graphistrength line of DWNTs enhancing polymer composites for structural applications. The company supplies high-purity DWNTs to industries requiring enhanced conductivity and strength, serving clients in the US and Europe through advanced synthesis methods like catalytic chemical vapor deposition (CCVD).

Key Innovations:

• Development of functionalized DWNTs for improved dispersion in resins

• Collaborations with aerospace firms for lightweight component integration

• Expansion of production capacity to meet growing energy storage demands

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9️⃣ 2. Toray Industries, Inc.

Headquarters: Tokyo, Japan
Key Offering: DWNT-infused carbon fibers for automotive and aerospace

Toray Industries excels in advanced materials, incorporating DWNTs into carbon fiber reinforcements to boost tensile strength and electrical performance. Operating extensively in Asia-Pacific and the US, the firm supports applications in electric vehicle batteries and aircraft structures, leveraging its expertise in nanotube alignment techniques.

Key Innovations:

• Patented processes for uniform DWNT coating on fibers

• Partnerships with US automakers for next-gen lightweight chassis

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8️⃣ 3. DowDuPont (now Dow Inc. and DuPont)

Headquarters: Midland, Michigan, USA
Key Offering: DWNTs for energy and electronics applications

DowDuPont, following its split, continues to innovate through DuPont’s nanomaterials division, focusing on DWNTs for supercapacitors and conductive inks. With a strong US presence, the company drives commercialization of DWNT-based solutions, emphasizing scalable manufacturing to reduce costs and improve purity levels above 95%.

Key Innovations:

• Integration of DWNTs in flexible electronics for consumer devices

• R&D investments in hybrid DWNT-polymer composites for energy efficiency

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7️⃣ 4. Evonik Industries AG

Headquarters: Essen, Germany
Key Offering: Silica-DWNT hybrids for automotive coatings

Evonik is a key player in specialty chemicals, developing DWNT-enhanced silica particles for durable, conductive coatings in the automotive sector. The company’s European and US operations highlight DWNTs in applications like anti-corrosion layers, supported by rigorous quality controls to ensure batch-to-batch consistency.

Key Innovations:

• Advanced functionalization for better compatibility with resins

• Expansion into US markets for electric vehicle thermal management

Download FREE Sample Report: Global and United States Double-Walled Carbon Nanotube Market – View in Detailed Research Report

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6️⃣ 5. Nanothinx S.A.

Headquarters: Grenoble, France
Key Offering: Customized DWNTs for research and energy storage

Nanothinx specializes in high-quality DWNTs tailored for supercapacitors and fuel cells, with a focus on European and US research institutions. The firm employs plasma-based synthesis to produce low-defect DWNTs, enabling breakthroughs in high-capacity energy devices that outperform traditional carbon materials.

Key Innovations:

• Optimization of DWNT chirality for enhanced electrochemical performance

• Collaborative projects with US labs on scalable energy applications

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5️⃣ 6. Shenzhen Nanotech Port Co., Ltd.

Headquarters: Shenzhen, China
Key Offering: Industrial-grade DWNTs for electronics and composites

Shenzhen Nanotech Port leads in Asia-Pacific production of DWNTs, supplying straight pipe and Y-type variants for semiconductor manufacturing and structural composites. Its cost-effective CCVD processes make it a go-to supplier for global firms expanding into emerging markets, including the US electronics sector.

Key Innovations:

• High-volume production of Y-type DWNTs for branched applications

• Export growth to US for semiconductor interconnects

Download FREE Sample Report: Global and United States Double-Walled Carbon Nanotube Market – View in Detailed Research Report

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4️⃣ 7. Hexcel Corporation

Headquarters: Stamford, Connecticut, USA
Key Offering: DWNT-reinforced composites for aerospace

Hexcel is renowned for aerospace materials, integrating DWNTs into prepregs to achieve superior strength-to-weight ratios for aircraft components. With a dominant US footprint, the company advances DWNT use in defense applications, focusing on radar-absorbent materials and structural enhancements.

Key Innovations:

• DWNT alignment techniques for anisotropic property control

• Certifications for US military aerospace integrations

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3️⃣ 8. Anaori Carbon Co., Ltd.

Headquarters: Fukushima, Japan
Key Offering: High-purity DWNTs for energy and electronics

Anaori Carbon produces ultra-pure DWNTs via water-assisted CCVD, ideal for lithium-ion batteries and transparent conductors. The Japanese firm serves global markets, including the US, by providing consistent quality that supports longer battery life and flexible display technologies.

Key Innovations:

• Water-assisted synthesis for defect-free DWNTs

• Applications in US-developed flexible electronics

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2️⃣ 9. Zoltek (Toray Group)

Headquarters: St. Louis, Missouri, USA
Key Offering: DWNT-carbon fiber hybrids for automotive

Zoltek, part of Toray, specializes in low-cost carbon fibers enhanced with DWNTs for electric vehicles and wind energy. Its US-based facilities drive adoption in lightweight automotive parts, reducing vehicle weight by up to 20% while maintaining conductivity for sensors.

Key Innovations:

• Large-tow fiber integration with DWNTs

• US-focused R&D for sustainable automotive composites

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1️⃣ 10. Mitsubishi Rayon Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: DWNTs for aerospace, defense, and energy sectors

Mitsubishi Rayon tops the list with comprehensive DWNT solutions, from straight pipe types for electronics to customized variants for defense. The company’s global reach, including strong US ties, fuels innovations in high-performance batteries and stealth materials, backed by extensive patent portfolios.

Key Innovations:

• Multi-walled to double-walled transition technologies

• Joint ventures with US firms for defense applications

• Scalable production for energy storage scalability

Read Full Report: Global and United States Double-Walled Carbon Nanotube Market – View in Detailed Research Report

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🌍 Outlook: The Future of Double-Walled Carbon Nanotubes Is Innovative and Expansive

The double-walled carbon nanotube market is experiencing transformative growth. While production challenges persist, investments in purification and functionalization are unlocking potential across segments. The focus on straight pipe and Y-type DWNTs for electronics, energy, aerospace, and automotive applications promises widespread adoption.

Because of their unique properties—such as higher stability than single-walled nanotubes and better conductivity than multi-walled ones—DWNTs are poised to revolutionize industries. However, scaling production economically remains key, especially in regions like North America and Asia-Pacific. Furthermore, regulatory support for nanomaterials in the US is accelerating commercialization.

📈 Key Trends Shaping the Market:

• Growing demand for DWNTs in US electronics and semiconductor sectors

• Expansion of Y-type DWNTs for branched energy storage solutions

• Integration in aerospace and defense for lightweight, durable composites

• Automotive applications driving CAGR through EV battery enhancements

• Regional growth in China and Europe for industrial-scale production

Moving forward, the market segments by type and application will see tailored innovations. For instance, straight pipe types dominate electronics due to their uniformity, while others explore biomedical potentials. In the United States, local players are gaining traction through federal funding for nanotech R&D, fostering a competitive landscape.

The United States market, a focal point in this analysis, mirrors global trends but with accelerated adoption in defense and energy. From 2018 to 2029, US revenues are expected to surge, driven by applications in semiconductors and automotive. Stakeholders can leverage segmental forecasts to strategize, whether in North America or expanding to Asia-Pacific hubs like China and Japan.

Europe’s contributions, led by Germany and France, emphasize sustainable production, while Latin America and Middle East & Africa present emerging opportunities. Overall, the period from 2018-2029 highlights a shift toward multifunctional DWNTs, benefiting players and participants alike.

Read Full Report: Global and United States Double-Walled Carbon Nanotube Market – View in Detailed Research Report

The companies profiled here are not just producing materials—they are engineering the next era of nanotechnology, enabling smarter electronics, efficient energy systems, and resilient structures across global and US markets.