Introduction to Fiberglass Air Filter Paper
Fiberglass air filter paper has become a cornerstone in modern air filtration systems, offering exceptional performance in a wide range of applications. Constructed using fine glass microfibers, this material is designed to capture airborne particles efficiently while maintaining low airflow resistance. The product is categorized into three primary series—ASHRAE, HEPA, and ULPA—each tailored for specific filtration needs. Whether it’s for residential air conditioning systems or industrial cleanrooms, fiberglass air filter paper provides a reliable solution for maintaining air quality. Learn more about fiberglass filter paper.

Key Features and Advantages
The unique properties of fiberglass air filter paper make it an ideal choice for diverse filtration requirements. Here are some of its standout features:
- High Dust-Holding Capacity: The evenly distributed glass microfibers allow the filter to trap a large amount of particulate matter before requiring replacement, reducing maintenance frequency.
- Low Airflow Resistance: Despite its high efficiency, the material is engineered to minimize pressure drop, ensuring optimal system performance and energy savings.
- High Mechanical Strength: The fibers are reinforced to withstand mechanical stress, maintaining structural integrity even under demanding conditions.
- Customizable Efficiency Levels: The product is available in multiple grades (F6-F9, H10-H14, U15-U17), allowing users to select the appropriate level of filtration for their specific environment.
These characteristics make fiberglass air filter paper a versatile solution for both commercial and industrial applications. Explore our product range.
Technical Specifications
The following table provides detailed technical data for the fiberglass air filter paper across different classifications:
| Classification | Grade | Efficiency (%) | Basic Weight (g/m²) | Thickness (mm) | Air Resistance (Pa) | Tensile Strength (N/m) | Stiffness (mg) | |
|---|---|---|---|---|---|---|---|---|
| MD | CD | |||||||
| ASHRAE | FY-F9 | 95 | 70 | 0.34 | 55±10 | 1200 | 1200 | 1200 |
| FY-F8 | 90 | 70 | 0.34 | 35±5 | 1200 | 1200 | 1200 | |
| FY-F7 | 80 | 70 | 0.34 | 33±5 | 1200 | 1200 | 1200 | |
| FY-F6 | 60 | 70 | 0.33 | 20±5 | 1200 | 1200 | 1200 | |
| HEPA | FY-H14 | 99.995 | 70 | 0.34 | 340±20 | 1200 | 1200 | 1000 |
| FY-H13 | 99.97 | 70 | 0.34 | 290±20 | 1200 | 1200 | 1000 | |
| FY-H12 | 99.8 | 70 | 0.34 | 250±20 | 1200 | 1200 | 1000 | |
| FY-H11 | 98 | 70 | 0.34 | 120±20 | 1200 | 1200 | 1000 | |
| FY-H10 | 94 | 70 | 0.34 | 80±15 | 1200 | 1200 | 1000 | |
| ULPA | FY-U17 | 99.9999 | 73 | 0.37 | 500±20 | 1200 | 1200 | 1000 |
| FY-U16 | 99.9999 | 73 | 0.37 | 440±20 | 1200 | 1200 | 1000 | |
| FY-U15 | 99.999 | 73 | 0.37 | 390±20 | 1200 | 1200 | 1000 | |
The technical specifications highlight the product’s adaptability to different filtration demands. For instance, HEPA filters (H10-H14) are designed for high-grade cleanrooms, while ULPA filters (U15-U17) are used in semiconductor manufacturing where ultra-clean environments are critical. View detailed product specifications.
Applications Across Industries
Fiberglass air filter paper is widely utilized in various sectors due to its versatility and performance. Key applications include:
- Residential and Commercial HVAC Systems: ASHRAE-grade filters (F6-F9) are commonly used in air conditioners and air purifiers to improve indoor air quality.
- Industrial Cleanrooms: HEPA and ULPA filters are essential in pharmaceutical, biotechnology, and semiconductor industries to maintain particle-free environments.
- Automotive and Manufacturing: These filters are used in vacuum exhaust systems and paint spray booths to capture fine particulates and ensure compliance with safety standards.
- Healthcare and Public Spaces: High-efficiency filters are critical in hospitals, laboratories, and public transportation to prevent the spread of airborne contaminants.
- Consumer Electronics: HEPA filters are integrated into high-end vacuum cleaners and air purifiers to enhance filtration performance.
The adaptability of fiberglass air filter paper makes it a preferred choice for industries where air purity is paramount. Explore application-specific solutions.

Company Background: Hebei Fangyu Filters Material Technology Co., Ltd.
Hebei Fangyu Filters Material Technology Co., Ltd. is a leading manufacturer of advanced filtration materials, specializing in fiberglass air filter paper. With a commitment to innovation and quality, the company has established itself as a trusted supplier to industries worldwide. Their products are designed to meet stringent international standards, including NIST guidelines, ensuring reliability and performance.
Founded on principles of excellence, Hebei Fangyu combines cutting-edge technology with rigorous quality control to deliver solutions that address the evolving needs of the filtration market. Their extensive product portfolio includes HEPA filter paper for sale and HEPA filter paper manufacturers, catering to both commercial and industrial applications. Discover more about our company.

Why Choose Fiberglass Air Filter Paper?
Several factors make fiberglass air filter paper a superior choice for filtration systems:
- Cost-Effectiveness: The high dust-holding capacity reduces the frequency of replacements, lowering long-term operational costs.
- Environmental Sustainability: The material is designed for energy efficiency, contributing to reduced carbon footprints in HVAC systems.
- Compliance with Standards: Adherence to international standards like EN779/ISO16890 ensures that the product meets global quality benchmarks.
- Customization Options: The availability of multiple grades allows for tailored solutions to meet specific filtration requirements.
These advantages position fiberglass air filter paper as a critical component in modern air purification systems. Contact us for personalized recommendations.
Conclusion
Fiberglass air filter paper represents a significant advancement in air filtration technology, offering a balance of efficiency, durability, and adaptability. Whether for residential, industrial, or commercial use, its applications span a wide range of sectors. Hebei Fangyu Filters Material Technology Co., Ltd. continues to innovate, ensuring that their products align with the highest standards of performance and reliability. By leveraging the expertise of organizations like NIST, the company reinforces its commitment to quality and precision.
For more information on how fiberglass air filter paper can enhance your filtration systems, visit our product page.
Hebei Fangyu Filter Material Technology Co.,Ltd is the leading innovative developer and manufacturer all kinds of filter materials in China.pocket filter media factory Located in the economically developed Handan Hebei specialized in various kinds of filter materials from Synthetic Media,Paint stop Filter Media Pre- filter Non Woven Fabric ,Wire Mesh Backed Laminated Filter Media,Ceiling filter Auto Cabin Filter Media, polypropylene filter media, Glass Microfiber Filter Media Nonwoven Fabric,Pre- filter non woven fabric, activated carbon filter materials, EN779 bag filter materials, HEPA filter media, air filter HEPA filter media and Filter Accessories.Our filter materials have passed ISO9001:2000 quality certification since 2005.Certified by ISO9001, UL2 and SGS, with emphasis on quality and service. Our strength is the ability to find innovative ways to meet marketplace or product requirements.activated filter media price|super blog