As a premier glass microfiber air filter paper manufacturer, we specialize in producing high-performance filtration media designed for demanding air purification applications worldwide. Our glass microfiber air filter paper is engineered using advanced borosilicate glass fibers, offering exceptional mechanical strength, thermal stability, and filtration efficiency. This versatile material captures fine particulates, including sub-micron aerosols, dust, and contaminants, making it ideal for industrial, commercial, and environmental filtration systems.
Unlike conventional filter papers, our glass microfiber air filter paper provides superior pleatability, high dirt-holding capacity, and resistance to chemicals and moisture. Available in various grades tailored to specific filtration needs, our products meet international standards such as ISO 5011 for dust engine testing and EN 1822 for HEPA/ULPA classifications. As an experienced glass microfiber air filter paper manufacturer, we ensure consistent quality through state-of-the-art production processes, from wet-laid fiber formation to precise calendering and quality assurance testing.
Our commitment to innovation drives us to develop customized solutions, whether for automotive cabin filters, HVAC systems, or cleanroom environments. With decades of expertise in the filtration industry, we deliver reliable glass microfiber air filter paper that enhances system performance, extends service life, and reduces operational costs for B2B partners globally.
These features position our glass microfiber air filter paper as the preferred choice for discerning buyers seeking durable, high-efficiency filtration media from a trusted glass microfiber air filter paper manufacturer.

| Property | Grade A (Light Duty) | Grade B (Medium Duty) | Grade C (Heavy Duty) | Test Method |
|---|---|---|---|---|
| Basis Weight (g/m²) | 50-70 | 80-120 | 130-200 | ISO 536 |
| Thickness (mm) | 0.3-0.5 | 0.6-0.9 | 1.0-1.5 | ISO 534 |
| Air Permeability (L/m²/s @ 200 Pa) | 400-500 | 250-350 | 100-200 | ISO 9237 |
| Filtration Efficiency (% @ 0.3 μm) | 95-99 | 99.5-99.9 | 99.99+ | EN 1822 |
| Mean Pore Size (μm) | 5-8 | 3-5 | 1-3 | ASTM F316 |
| Tensile Strength MD/CD (N/m) | 120/80 | 180/120 | 250/160 | ISO 1924 |
| Max Operating Temperature (°C) | 280 | 400 | 500 | Internal |
| pH Value | 6.5-8.0 | 6.5-8.0 | 6.5-8.0 | ISO 6588 |
| Ash Content (%) | <3 | <3 | <3 | ISO 2144 |
Note: Specifications are typical values; custom grades available upon request from our glass microfiber air filter paper manufacturer facility. All products undergo rigorous testing to ensure compliance with global standards.
Our glass microfiber air filter paper excels in a wide array of industrial and commercial settings, leveraging its robust properties for optimal performance.
As a dedicated glass microfiber air filter paper manufacturer, we tailor our products to these scenarios, supporting OEMs and filter assemblers with roll stock or cut-to-size formats.
Choosing our glass microfiber air filter paper offers distinct advantages over competitors:
These advantages stem from our expertise as a leading glass microfiber air filter paper manufacturer, backed by continuous R&D investment.
As an established glass microfiber air filter paper manufacturer with ISO 9001 and IATF 16949 certifications, we prioritize quality, innovation, and customer partnership. Our vertically integrated facility controls every stage—from raw glass fiber melting to final roll winding—ensuring traceability and defect-free delivery. We offer flexible MOQs, rapid prototyping, and global logistics for seamless supply.
Our technical team provides filtration simulations, material selection guidance, and performance validation, helping clients optimize designs. With a proven track record supplying Fortune 500 filter producers, we deliver value through reliability, customization, and competitive lead times. Partner with us for glass microfiber air filter paper that powers your success.
Q: What makes glass microfiber air filter paper superior to synthetic media?
A: Glass fibers offer unmatched thermal stability and chemical resistance, ideal for harsh conditions where synthetics degrade.
Q: Can you customize grades for specific efficiency needs?
A: Yes, as a specialized glass microfiber air filter paper manufacturer, we engineer custom basis weights and pore structures.
Q: What packaging options are available?
A: Rolls up to 2.5m width, sheets, or slit widths; vacuum-packed for protection.
Q: Do your products meet automotive standards?
A: Fully compliant with ISO/TS 16949 and tested per ISO 5011 for engine air filters.
Q: How do I test filtration efficiency in-house?
A: Use DOP/PAO aerosol challenge per IEST-RP-CC001 or sodium chloride methods.
Q: What is the shelf life of your filter paper?
A: Indefinite when stored in dry, cool conditions away from direct sunlight.
Q: Are samples available for evaluation?
A: We provide free samples for qualified B2B inquiries to demonstrate performance.