The Global Glass Microfiber Market was valued at USD 567 Million in 2024 and is projected to reach USD 757 Million by 2032, growing at a Compound Annual Growth Rate (CAGR) of 4.3% during the forecast period (2024–2032). This sustained growth is propelled by escalating demand for high-efficiency filtration systems, rapid advancements in battery technology, and the expanding use of thermal insulation materials across industrial and construction sectors.

As industries worldwide prioritize performance, sustainability, and material efficiency, glass microfiber has emerged as a critical component in applications ranging from air and liquid filtration to energy storage. In this blog, we profile the Top 10 Companies in the Glass Microfiber Industry—a group of material science leaders, specialty manufacturers, and innovation pioneers shaping the future of advanced fibrous materials.

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🔟 1. Johns Manville

Headquarters: Denver, Colorado, USA
Key Offering: B-Glass Microfibers, High-Temperature Insulation, Filtration Media

Johns Manville, a Berkshire Hathaway company, is a global leader in high-performance insulation and filtration materials. Their glass microfiber portfolio is renowned for its exceptional thermal resistance and durability, serving demanding applications in industrial processes, HVAC systems, and specialty filtration. The company’s extensive R&D focuses on developing fibers with enhanced properties for extreme environments.

Innovation Initiatives:

• Advanced fiber compositions for >800°C applications

• Development of recyclable and bio-based binder systems

• Global capacity expansion targeting Asian and European markets

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9️⃣ 2. Unifrax

Headquarters: Tonawanda, New York, USA
Key Offering: Specialty Microfibers, Battery Separators, Thermal Barriers

Unifrax specializes in high-temperature insulation and filtration solutions, with a strong focus on glass microfiber applications in energy storage and industrial processing. The company’s innovative fibers are critical components in lithium-ion battery separators, providing enhanced safety and performance for the electric vehicle market.

Innovation Initiatives:

• Proprietary fiber technologies for battery safety applications

• Sustainability-focused production with reduced energy consumption

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8️⃣ 3. Hollingsworth & Vose

Headquarters: East Walpole, Massachusetts, USA
Key Offering: Advanced Filter Media, Battery Separators, Engineered Nonwovens

Hollingsworth & Vose is a leading global manufacturer of engineered materials, with extensive expertise in glass microfiber-based filtration media. Their products are essential in critical applications including heavy-duty engine filtration, industrial air purification, and high-efficiency particulate air (HEPA) filtration systems.

Innovation Initiatives:

• Nanofiber composite technologies for superior filtration efficiency

• Global technical centers supporting customer-specific solutions

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7️⃣ 4. Lydall

Headquarters: Manchester, Connecticut, USA
Key Offering: Technical Specialty Papers, Thermal Management Materials

Lydall (now part of Freudenberg Performance Materials) is a key player in precision-engineered materials, with significant capabilities in glass microfiber production. The company’s expertise lies in creating specialized materials for filtration, acoustics, and thermal management across automotive, industrial, and healthcare markets.

Innovation Initiatives:

• Acquisition strategy expanding European manufacturing footprint

• Development of multi-functional composite materials

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

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6️⃣ 5. Taishan Fiberglass (Sinoma)

Headquarters: Tai’an, Shandong, China
Key Offering: E-Glass Microfibers, Reinforcements, Specialty Composites

Taishan Fiberglass, part of China National Materials Group (Sinoma), is one of the world’s largest fiberglass producers with substantial glass microfiber capacity. The company dominates the Asian market, supplying fibers for construction, transportation, and electronic applications with competitive pricing and scale advantages.

Innovation Initiatives:

• 25% capacity expansion completed in 2023 to meet regional demand

• Focus on automotive and wind energy applications

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5️⃣ 6. Ahlstrom

Headquarters: Helsinki, Finland
Key Offering: Filter Papers, Battery Separators, Life Science Materials

Ahlstrom is a global leader in fiber-based materials, with strong capabilities in glass microfiber products for filtration and life sciences. The company’s focus on sustainable solutions has positioned it well in European markets where environmental regulations drive demand for high-performance, eco-friendly materials.

Innovation Initiatives:

• Development of biodegradable and recyclable filter media

• Specialized materials for medical and diagnostic applications

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4️⃣ 7. Zisun

Headquarters: Qingdao, Shandong, China
Key Offering: A-Glass Microfibers, Standard Filtration Media

Zisun has emerged as a significant Chinese manufacturer of glass microfibers, particularly for cost-sensitive applications in basic filtration and industrial processes. The company leverages China’s manufacturing infrastructure to produce economical fiber solutions for domestic and export markets.

Innovation Initiatives:

• Expansion into value-added specialty fiber segments

• Quality improvements targeting international standards

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3️⃣ 8. Anhui Jiyao Glass Microfiber

Headquarters: Chizhou, Anhui, China
Key Offering: Microfiber Filter Paper, Insulation Materials

Anhui Jiyao specializes in glass microfiber products for filtration and insulation applications, serving growing markets in China and Southeast Asia. The company focuses on manufacturing efficiency and cost optimization while expanding its technical capabilities for more demanding applications.

Innovation Initiatives:

• Process optimization for energy reduction

• Development of fibers for emerging battery markets

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2️⃣ 9. Prat Dumas

Headquarters: Serres-Castet, France
Key Offering: Technical Nonwovens, Composite Reinforcements

Prat Dumas, now part of Lydall, brings European expertise in nonwoven materials with a focus on glass microfiber applications. The company’s strengths lie in custom-engineered solutions for automotive, construction, and industrial markets, with particular success in thermal and acoustic insulation.

Innovation Initiatives:

• Integration with global parent company technology platforms

• Focus on lightweight materials for automotive applications

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1️⃣ 10. Porex

Headquarters: Fairburn, Georgia, USA
Key Offering: Porous Plastics, Filter Media, Capillary Materials

Porex, a subsidiary of Filtration Group, specializes in porous materials including glass microfiber composites for filtration and fluid handling applications. The company’s technical expertise supports demanding applications in healthcare, diagnostics, and industrial processes requiring precise material properties.

Innovation Initiatives:

• Development of functionalized fibers for specialty applications

• Custom engineering solutions for medical and life sciences

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

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🌍 Outlook: The Future of Glass Microfiber Is Smart and Sustainable

The glass microfiber market is undergoing a significant transformation. While traditional applications continue to drive volume growth, the industry is rapidly evolving toward smart materials, sustainable production methods, and specialized high-value applications that demand enhanced material properties.

📈 Key Trends Shaping the Market:

• Accelerating demand from electric vehicle battery manufacturers

• Stringent environmental regulations driving advanced filtration adoption

• Development of multi-functional composite materials

• Industry consolidation through strategic acquisitions and partnerships

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

The companies listed above are not only supplying essential materials—they’re pioneering the next generation of high-performance fibrous solutions that will enable cleaner, safer, and more efficient industrial processes worldwide.