The Global Carbon Nanotube Composite Membrane Market was valued at USD 427.5 Million in 2025 and is projected to reach USD 1.12 Billion by 2034, growing at a Compound Annual Growth Rate (CAGR) of 11.2% during the forecast period (2025–2034). This robust growth is primarily driven by increasing demand for advanced water treatment solutions, stringent environmental regulations, and the expanding applications of these membranes in energy storage and electronics manufacturing.

As industries worldwide push for greater efficiency, sustainability, and performance in separation technologies, the focus shifts to the pioneering companies developing carbon nanotube composite membranes. These advanced materials, known for their exceptional permeability, selectivity, and durability, are revolutionizing filtration processes. In this blog, we profile the Top 10 Companies in the Carbon Nanotube Composite Membrane Industry—a group of specialized nanomaterial producers and technology innovators shaping the future of purification and separation.

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🔟 1. OCSiAl

Headquarters: Luxembourg City, Luxembourg
Key Offering: TUBALL™ Single-Wall Carbon Nanotubes, Composite Membrane Materials

OCSiAl is the world’s largest producer of single-wall carbon nanotubes, providing the essential raw materials for high-performance composite membranes. Their TUBALL™ nanotubes are renowned for their quality and consistency, enabling membrane manufacturers to achieve superior mechanical strength and conductivity. The company supplies nanotubes to various industries, with a growing focus on membrane applications for water treatment and gas separation.

Innovation Initiatives:

• Pioneering large-scale synthesis of single-wall carbon nanotubes

• Developing application-specific nanotube formulations for membrane integration

• Strategic partnerships with membrane manufacturers for joint product development

Download FREE Sample Report: Carbon Nanotube Composite Membrane Market – View in Detailed Research Report

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9️⃣ 2. Nanocyl

Headquarters: Sambreville, Belgium
Key Offering: NC7000™ Multi-Wall Carbon Nanotubes, Membrane-Grade Nanotube Dispersions

Nanocyl is a leading producer of multi-wall carbon nanotubes, with over two decades of experience in the nanotechnology sector. The company specializes in providing high-purity nanotubes and customized dispersions specifically engineered for membrane applications. Their products are used to enhance the performance of polymer membranes in desalination and industrial filtration processes.

Innovation Initiatives:

• Advanced functionalization of CNTs for improved polymer matrix compatibility

• Development of standardized nanotube dispersions for membrane manufacturing

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8️⃣ 3. XG Sciences

Headquarters: Lansing, Michigan, USA
Key Offering: xGnP® Graphene Nanoplatelets, Carbon Nanotube-Graphene Hybrid Materials

XG Sciences is a prominent player in advanced carbon nanomaterials, leveraging its expertise in graphene nanoplatelets to create innovative composite membrane solutions. The company’s hybrid materials, which combine graphene and carbon nanotubes, offer unique properties for high-flux filtration membranes used in water purification and chemical processing.

Innovation Initiatives:

• Developing hybrid carbon nanomaterial systems for enhanced membrane performance

• Focusing on scalable production methods for commercial membrane applications

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7️⃣ 4. Cheap Tubes

Headquarters: Grafton, Vermont, USA
Key Offering: Multi-Wall and Single-Wall Carbon Nanotubes, Customized CNT Solutions

Cheap Tubes has established itself as a reliable supplier of high-quality carbon nanotubes at competitive prices, serving research institutions and industrial clients globally. The company provides a range of CNT products suitable for membrane development, including functionalized nanotubes designed for specific separation applications.

Innovation Initiatives:

• Cost-effective production of research-grade and industrial-grade CNTs

• Custom functionalization services for membrane-specific requirements

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6️⃣ 5. Nanolab Technologies

Headquarters: Waltham, Massachusetts, USA
Key Offering: Carbon Nanotube Arrays, Membrane Prototyping Services, R&D Materials

Nanolab Technologies specializes in providing carbon nanotubes and nanotechnology solutions for research and development, with a strong focus on membrane applications. The company offers vertically aligned carbon nanotube arrays, which are particularly valuable for creating membranes with precisely controlled pore sizes and exceptional flow characteristics.

Innovation Initiatives:

• Development of aligned CNT membranes for high-precision separations

• Providing prototyping and testing services for membrane developers

Download FREE Sample Report: Carbon Nanotube Composite Membrane Market – View in Detailed Research Report

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5️⃣ 6. Carbon Waters

Headquarters: Bordeaux, France
Key Offering: Graphene-Carbon Nanotube Hybrid Fluids, Functionalized Nanofluids for Membranes

Carbon Waters is an innovative company focused on developing graphene and carbon nanotube-based fluids for various industrial applications. Their specialty lies in creating stable dispersions of carbon nanomaterials that can be easily incorporated into polymer matrices for membrane fabrication, addressing the critical challenge of nanotube aggregation.

Innovation Initiatives:

• Pioneering nanofluid technology for uniform CNT distribution in membranes

• Developing conductive membranes for advanced separation processes

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4️⃣ 7. Applied Sciences, Inc. (ASI)

Headquarters: Cedarville, Ohio, USA
Key Offering: Pyrograf® Carbon Nanofibers, Vapor-Grown Carbon Nanotubes

Applied Sciences, Inc. has been a pioneer in carbon nanomaterial production since the 1990s, manufacturing vapor-grown carbon nanotubes and nanofibers under the Pyrograf® brand. Their materials are used to reinforce polymer membranes, improving mechanical strength and introducing specialized filtration capabilities for challenging industrial applications.

Innovation Initiatives:

• Scalable chemical vapor deposition production of carbon nanomaterials

• Development of specialized nanofibers for oil-water separation membranes

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3️⃣ 8. CNT Technologies

Headquarters: Houston, Texas, USA
Key Offering: Custom Carbon Nanotube Synthesis, Membrane Development Services

CNT Technologies focuses on developing customized carbon nanotube solutions for specific industrial applications, including advanced membrane systems. The company works closely with clients to design and produce CNTs with tailored properties for enhanced filtration performance in sectors such as pharmaceuticals and chemicals.

Innovation Initiatives:

• Application-specific CNT synthesis for targeted membrane performance

• Collaborative development projects with membrane manufacturing companies

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2️⃣ 9. Carbon NT&F

Headquarters: Moscow, Russia
Key Offering: Multi-Wall Carbon Nanotubes, Nanotube-Polymer Composites

Carbon NT&F is a Russian company specializing in the production of multi-wall carbon nanotubes and their integration into various composite materials. The company has developed expertise in creating CNT-polymer blends suitable for membrane applications, particularly focusing on membranes for gas separation and water treatment in harsh environments.

Innovation Initiatives:

• Development of CNT composites for extreme condition membrane applications

• Research into CNT membranes for specialized industrial separations

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1️⃣ 10. Cnano Technology

Headquarters: Jiangsu, China
Key Offering: High-Purity Carbon Nanotubes, Conductive Membrane Materials

Cnano Technology is one of China’s leading manufacturers of carbon nanotubes, with significant production capacity and growing international presence. The company supplies high-purity multi-wall carbon nanotubes to membrane manufacturers, enabling the development of conductive membranes for advanced applications in water treatment and energy storage.

Innovation Initiatives:

• Large-scale production of cost-effective CNTs for commercial membrane applications

• Development of conductive CNT membranes for electrochemical processes

Get Full Report Here: Carbon Nanotube Composite Membrane Market – View in Detailed Research Report

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🌍 Outlook: The Future of Carbon Nanotube Composite Membranes Is Smarter and More Efficient

The carbon nanotube composite membrane market is undergoing a significant transformation. While traditional polymer membranes still dominate in volume, the industry is increasingly investing in nanomaterial-enhanced solutions that offer superior performance, energy efficiency, and specialized capabilities.

📈 Key Trends Shaping the Market:

• R&D expansion in hybrid nanomaterials combining CNTs with graphene and other advanced materials

• Regulatory push for more efficient water treatment technologies to address global water scarcity

• Integration of smart functionalities such as self-cleaning and real-time monitoring in membranes

• Industry-academia collaborations accelerating the commercialization of CNT membrane technologies

Get Full Report Here: Carbon Nanotube Composite Membrane Market – View in Detailed Research Report

The companies listed above are not only supplying advanced materials—they’re driving the technological evolution of separation and filtration systems across multiple industries.