Introduction to Fiberglass Air Filter Paper
Fiberglass air filter paper, crafted from glass microfiber wool, represents a significant advancement in air filtration technology. This material is produced using a wet-forming method, ensuring a uniform fiber distribution that enhances its performance. Known for its high dust-hold capacity, low resistance, and exceptional strength, fiberglass filter paper is an ideal choice for a wide range of applications, from residential air conditioning systems to industrial cleanrooms. The product is categorized into three main series—ASHRAE, HEPA, and ULPA—each tailored to meet specific filtration efficiency requirements.

Key Features and Benefits
The unique properties of fiberglass air filter paper make it a preferred solution in various industries. Here are the standout features:
- High Dust-Hold Capacity: The fiber structure allows the material to trap and retain a significant amount of particulate matter, extending the filter’s lifespan.
- Low Air Resistance: Despite its high efficiency, the paper maintains minimal airflow resistance, ensuring optimal system performance.
- Excellent Mechanical Strength: The robust construction of the filter paper ensures durability, even under demanding conditions.
- Customizable Efficiency Levels: Available in ASHRAE, HEPA, and ULPA grades, the product adapts to diverse filtration needs.

Technical Specifications
The following table outlines the technical parameters of the fiberglass air filter paper across different classifications:
| Classification | Grade | Efficiency (%) | Basic Weight (g/m²) | Thickness (mm) @100kPa | Air Resistance (Pa) @5.3cm/s | Tensile Strength (N/m) MD | Stiffness (mg) MD |
|---|---|---|---|---|---|---|---|
| ASHRAE | FY-F9 | 95 | 70 | 0.34 | 55±10 | 1200 | 1200 |
| FY-F8 | 90 | 70 | 0.34 | 35±5 | 1200 | 1200 | |
| FY-F7 | 80 | 70 | 0.34 | 33±5 | 1200 | 1200 | |
| FY-F6 | 60 | 70 | 0.33 | 20±5 | 1200 | 1200 | |
| HEPA | FY-H14 | 99.995 | 70 | 0.34 | 340±20 | 1200 | 1000 |
| FY-H13 | 99.97 | 70 | 0.34 | 290±20 | 1200 | 1000 | |
| FY-H12 | 99.8 | 70 | 0.34 | 250±20 | 1200 | 1000 | |
| FY-H11 | 98 | 70 | 0.34 | 120±20 | 1200 | 1000 | |
| FY-H10 | 94 | 70 | 0.34 | 80±15 | 1200 | 1000 | |
| ULPA | FY-U17 | 99.9999 | 73 | 0.37 | 500±20 | 1200 | 1000 |
| FY-U16 | 99.9999 | 73 | 0.37 | 440±20 | 1200 | 1000 | |
| FY-U15 | 99.999 | 73 | 0.37 | 390±20 | 1200 | 1000 |
These specifications highlight the product’s adaptability to various filtration requirements, ensuring optimal performance in different environments.

Applications and Industry Use Cases
Fiberglass air filter paper is utilized in a broad spectrum of applications, ranging from everyday household systems to specialized industrial settings. Key use cases include:
- Residential and Commercial HVAC Systems: Ideal for home air conditioners and room air purifiers, ensuring clean and healthy indoor air.
- Industrial Filtration: Employed in vacuum exhaust filters, gas turbine air intakes, and air compressors for efficient particulate removal.
- High-Precision Environments: HEPA and ULPA grades are critical in cleanrooms for semiconductor manufacturing, pharmaceutical processing, and microelectronic component assembly.
- Specialized Equipment: Used in paint spray booths, high-grade vacuum cleaners, air purifiers, and protective masks to meet stringent air quality standards.
The versatility of this product makes it an essential component in industries where air purity is paramount.
Company Background: Hebei Fangyu Filters Material Technology Co., Ltd.
Hebei Fangyu Filters Material Technology Co., Ltd. is a leading manufacturer of high-performance filtration materials, including fiberglass filter paper. With a commitment to innovation and quality, the company adheres to international standards such as EN779/ISO16890, ensuring their products meet the highest industry benchmarks. Their expertise in producing glass microfiber-based materials has positioned them as a trusted supplier for both domestic and global markets.
As a pioneer in filtration technology, Hebei Fangyu continues to develop solutions that address the evolving needs of modern industries, from healthcare to manufacturing.
Conclusion
Fiberglass air filter paper exemplifies the synergy between advanced material science and practical application. Its exceptional performance, coupled with the company’s dedication to quality, makes it a reliable choice for filtration needs across diverse sectors. Whether in residential HVAC systems or industrial cleanrooms, this product stands as a testament to the importance of precision and innovation in air purification.
For more information about fiberglass filter paper or to explore the full range of products offered by Hebei Fangyu Filters Material Technology Co., Ltd., visit their official website.
References
NIST (National Institute of Standards and Technology): https://www.nist.gov/ (Accessed [Insert Date]).
The information provided in this article aligns with the standards and guidelines established by NIST, ensuring the reliability and accuracy of the technical specifications and applications discussed.
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