The Global C-Glass Glass Microfiber Market was valued at USD 223 Million in 2024 and is projected to grow from USD 252 Million in 2025 to USD 543 Million by 2032, exhibiting a Compound Annual Growth Rate (CAGR) of 13.4% during the forecast period (2025–2032). This robust growth is primarily driven by escalating demand for high-efficiency filtration media, the expansion of the lithium-ion battery sector, and stringent global regulations for air quality and energy efficiency.

As industries worldwide prioritize advanced materials for purification, insulation, and energy storage, the focus shifts to the key manufacturers developing innovative C-Glass microfiber solutions. In this blog, we profile the Top 10 Companies in the C-Glass Glass Microfiber Industry—a combination of global material science leaders, specialized manufacturers, and regional powerhouses shaping the future of high-performance inorganic fibers.

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🔟 1. Johns Manville

Headquarters: Denver, Colorado, USA
Key Offering: C-Glass Microfiber for Filtration, Thermal Insulation, and Specialty Composites

A Berkshire Hathaway company, Johns Manville is a premier manufacturer of insulation and building products with a significant presence in the high-performance glass microfiber market. The company leverages its vertically integrated production capabilities to supply consistent, high-quality microfibers for demanding applications, including HEPA filtration and battery separators.

Innovation Initiatives:

• Investment in advanced flame attenuation technology for superior fiber uniformity

• Development of high-temperature resistant microfibers for EV battery applications

• Sustainability focus on energy-efficient manufacturing processes

Download FREE Sample Report: C-Glass Glass Microfiber Market – View in Detailed Research Report

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9️⃣ 2. Alkegen

Headquarters: Dublin, Ohio, USA
Key Offering: High-Performance C-Glass Microfiber Media for Filtration and Battery Systems

Formed from the merger of Unifrax and Lydall, Alkegen is a global leader in high-performance specialty materials. The company offers a diverse portfolio of C-Glass microfiber products renowned for their exceptional filtration efficiency, thermal stability, and chemical resistance, serving critical sectors from pharmaceuticals to energy storage.

Innovation Initiatives:

• Pioneering recycled-content microfiber products through strategic partnerships

• Expansion of production capacity for battery separator media

• R&D focused on sub-micron fiber technology for next-generation filters

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8️⃣ 3. Hollingsworth & Vose

Headquarters: East Walpole, Massachusetts, USA
Key Offering: Advanced Glass Microfiber Filter Media and Battery Separators

Hollingsworth & Vose (H&V) is a leading global manufacturer of engineered materials, with deep expertise in filtration and energy storage. The company’s C-Glass microfiber solutions are critical components in air, liquid, and engine filtration systems, as well as in advanced lithium-ion batteries.

Innovation Initiatives:

• Specialization in hybrid separator membranes for enhanced battery performance

• Focus on sustainable manufacturing and closed-loop recycling programs

• Global R&D centers driving innovations in nanofiber and microfiber composites

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7️⃣ 4. Ahlstrom

Headquarters: Helsinki, Finland
Key Offering: C-Glass Microfiber-Based Filter Papers and Specialty Materials

Ahlstrom is a global leader in fiber-based materials, providing innovative solutions for filtration, medical, and industrial applications. The company’s C-Glass microfiber products are essential for high-efficiency air and liquid filters, known for their purity and performance in critical environments.

Innovation Initiatives:

• Recent €25 million investment to upgrade high-efficiency filter paper production in Finland

• Development of biomedical-grade microfiber for pharmaceutical applications

• Commitment to sustainability with targets for reduced water and energy consumption

Download FREE Sample Report: C-Glass Glass Microfiber Market – View in Detailed Research Report

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6️⃣ 5. Zisun

Headquarters: Shandong, China
Key Offering: C-Glass Microfiber for Filtration, Insulation, and Industrial Applications

Zisun is a major Chinese manufacturer of glass microfibers, capturing a significant share of the Asia-Pacific market. The company excels in cost-efficient production using the flame method and supplies a wide range of industries, from construction to automotive manufacturing.

Innovation Initiatives:

• Heavy investment in automation to maintain competitive cost advantages

• Expansion of product portfolio to include specialized grades for battery separators

• Focus on serving the booming domestic filtration and energy storage markets

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5️⃣ 6. Prat Dumas

Headquarters: Gourdon, France
Key Offering: Technical Nonwovens and C-Glass Microfiber for Thermal and Acoustic Insulation

Prat Dumas is a European specialist in technical nonwovens, with a strong focus on glass microfiber products for thermal and acoustic insulation. The company serves the building & construction, automotive, and appliance industries with high-performance, fire-resistant materials.

Innovation Initiatives:

• Expertise in converting glass microfibers into high-value insulation products

• R&D focused on meeting stringent EU building efficiency and safety standards

• Niche market positioning with tailored solutions for specific customer requirements

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4️⃣ 7. Porex

Headquarters: Fairburn, Georgia, USA
Key Offering: Porous Plastic and Glass Fiber Media for Filtration and Venting

Porex, a subsidiary of Filtration Group, is a recognized innovator in porous materials. While known for polymers, the company also develops and supplies specialized glass microfiber media for critical filtration, wicking, and venting applications across life sciences and industrial sectors.

Innovation Initiatives:

• Development of composite media combining glass microfibers with polymer matrices

• Focus on high-purity applications in diagnostics and medical devices

• Custom engineering solutions for complex filtration challenges

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3️⃣ 8. Inner Mongolia ShiHuan New Materials

Headquarters: Inner Mongolia, China
Key Offering: C-Glass Microfiber for Filtration Papers and Industrial Uses

Inner Mongolia ShiHuan New Materials is a key regional player in China’s glass microfiber market, benefiting from proximity to raw materials. The company produces a range of microfiber products that cater to the growing domestic demand for filtration and industrial materials.

Innovation Initiatives:

• Leveraging local silica sources for cost-effective production

• Expansion of production capacity to serve Central and Northern Chinese markets

• Investment in quality control systems to meet international standards

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2️⃣ 9. Chengdu Hanjiang New Materials

Headquarters: Chengdu, Sichuan, China
Key Offering: Specialized C-Glass Microfiber for High-Efficiency Filtration

Chengdu Hanjiang New Materials focuses on the production of high-quality glass microfibers for demanding filtration applications. The company has carved a niche by offering specialized grades that meet the precise requirements of customers in the pharmaceutical and fine chemical industries.

Innovation Initiatives:

• Agile manufacturing approach for customized microfiber solutions

• Strong R&D focus on improving filtration efficiency and durability

• Strategic growth within China’s rapidly developing western industrial regions

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1️⃣ 10. HuaYang Industry

Headquarters: Hebei, China
Key Offering: C-Glass Microfiber for General Filtration and Construction

HuaYang Industry is a significant manufacturer in the Chinese glass microfiber landscape, supplying cost-competitive products for a broad spectrum of applications. The company serves the construction sector with thermal insulation materials and provides filter media for various industrial processes.

Innovation Initiatives:

• Focus on scaling production to achieve economies of scale

• Development of products that balance performance with affordability

• Exploration of new application areas in infrastructure and manufacturing

Get Full Report Here: C-Glass Glass Microfiber Market – View in Detailed Research Report

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🌍 Outlook: The Future of C-Glass Glass Microfiber Is Driven by Sustainability and Technological Advancement

The C-Glass Glass Microfiber market is undergoing a significant transformation. While traditional filtration applications continue to dominate, the industry is increasingly influenced by the demands of the green economy, including renewable energy storage and circular manufacturing principles.

📈 Key Trends Shaping the Market:

• Rapid capacity expansion for battery separator grades in Asia and North America

• Regulatory push for higher efficiency filtration standards in industrial and residential settings

• Advancements in centrifugal spinning and flame attenuation technologies for finer, more consistent fibers

• Strategic alliances between material suppliers and end-users to co-develop customized solutions

Get Full Report Here: C-Glass Glass Microfiber Market – View in Detailed Research Report

The companies listed above are not only supplying essential industrial materials—they’re enabling the technological progress of cleaner industries and more efficient energy systems.