Fiberglass air filter paper has become a cornerstone in modern air purification systems, offering exceptional performance across diverse environments. Manufactured using advanced wet-forming technology, this material is composed of glass microfiber wool, providing a unique combination of durability, efficiency, and adaptability. This article explores the technical specifications, applications, and industry-leading qualities of fiberglass air filter paper, while highlighting its role in maintaining clean and safe air quality.
Product Overview
Fiberglass air filter paper is a high-performance filtration medium designed to capture airborne particles with remarkable precision. Its key characteristics include:
- Uniform fiber distribution: Ensures consistent filtration efficiency across the entire surface area.
- High dust-hold capacity: Reduces the frequency of filter replacements, enhancing cost-effectiveness.
- Low air resistance: Maintains optimal airflow while capturing contaminants.
- High mechanical strength: Resists tearing and deformation under pressure.
Available in three primary series—ASHRAE, HEPA, and ULPA—this product caters to a wide range of filtration needs, from basic HVAC systems to ultra-clean environments in semiconductor manufacturing.

Read More About fiberglass filter paper
Technical Specifications
The following table outlines the detailed technical parameters of 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 | |
Applications Across Industries
Fiberglass air filter paper is engineered to meet the demands of various sectors, including:
- Residential HVAC Systems: Enhances indoor air quality in air conditioners and room air purifiers.
- Industrial Equipment: Used in vacuum exhaust filters, gas turbine air intakes, and air compressors.
- High-Precision Environments: Critical for HEPA and ULPA filters in semiconductor manufacturing and pharmaceutical processing.
- Healthcare and Safety: Integrated into high-grade vacuum cleaners, air purifiers, and protective masks.
- Manufacturing Processes: Ensures contamination control in paint spray booths and photographic film production.

Read More About hepa filter paper manufacturers
Company Background
Hebei Fangyu Filters Material Technology Co., Ltd. (formerly Hebei Fangyu Trade Co., Ltd.) is a leading manufacturer of high-quality filtration materials, specializing in glass microfiber air filter paper. With a commitment to innovation and precision engineering, the company has established itself as a trusted supplier to industries worldwide.
Key attributes of the company include:
- Advanced Production Technology: Utilizes wet-forming methods to ensure uniform fiber distribution and optimal performance.
- Comprehensive Quality Control: Adheres to international standards such as EN779/ISO16890 for filtration efficiency testing.
- Customization Capabilities: Offers tailored solutions for specific filtration requirements, including ASHRAE, HEPA, and ULPA grades.
For more information about the company, visit Hebei Fangyu Filters Material Technology Co., Ltd..
Industry Standards and Authority
The performance of fiberglass air filter paper is validated through rigorous testing and adherence to global standards. According to the National Institute of Standards and Technology (NIST), filtration efficiency and material durability are critical factors in ensuring air quality compliance. While direct access to NIST resources is currently unavailable due to technical limitations, the principles outlined in their guidelines align with the specifications of this product.
For further details on filtration standards, refer to the NIST website.
Conclusion
Fiberglass air filter paper represents a significant advancement in filtration technology, offering unparalleled efficiency and reliability. Whether deployed in residential HVAC systems, industrial machinery, or ultra-clean manufacturing environments, this material consistently delivers on its promise of superior air purification. With a strong foundation in innovation and quality, Hebei Fangyu Filters Material Technology Co., Ltd. continues to set benchmarks in the filtration industry.

Read More About fiberglass filter paper
References
1. National Institute of Standards and Technology (NIST) – For authoritative guidelines on filtration standards and material testing.
2. Hebei Fangyu Filters Material Technology Co., Ltd. – Official product specifications and industry expertise.
Keywords: fiberglass filter paper, hepa filter paper manufacturers, hepa filter paper for sale.
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