Fiberglass air filter paper, crafted from glass microfiber wool, represents a cutting-edge solution for air purification across industries. This advanced material is produced using a wet-forming method, ensuring a uniform distribution of fibers, high dust-hold capacity, and low resistance. Its robust mechanical strength makes it ideal for demanding environments where air quality is critical.

The product is categorized into three primary series based on filtration efficiency: ASHRAE, HEPA, and ULPA. Each series is tailored to specific applications, from residential air conditioning systems to high-grade semiconductor manufacturing. This versatility underscores its role as a fiberglass filter paper solution that meets rigorous industry standards.
Key Features and Advantages
Fiberglass air filter paper excels in several critical areas:
- High Dust-Hold Capacity: The unique fiber structure allows the media to capture and retain large amounts of particulate matter without significantly increasing airflow resistance.
- Low Air Resistance: Optimized fiber distribution minimizes pressure drop, ensuring energy-efficient operation in HVAC systems and industrial filters.
- Excellent Mechanical Strength: The material maintains structural integrity under varying operational conditions, even in high-volume or high-speed filtration applications.
- Customizable Efficiency Grades: Available in ASHRAE (F5–F9), HEPA (H10–H14), and ULPA (U15–U17) classifications, it caters to a wide range of filtration needs.


Technical Specifications Table
| 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 |
Applications Across Industries
The versatility of fiberglass air filter paper makes it indispensable in numerous sectors:
- Residential and Commercial HVAC: ASHRAE-grade filters (F5–F9) are ideal for standard air conditioning systems, gas turbine intakes, and air compressors.
- High-Precision Environments: HEPA filters (H10–H14) are used in cleanrooms for semiconductor manufacturing, pharmaceutical processing, and advanced HVAC systems for nuclear facilities.
- Ultra-Low Particulate Environments: ULPA filters (U15–U17) meet the stringent requirements of chip fabrication plants and Class 10,000 or cleaner facilities.
- Specialized Uses: The material is also employed in paint spray booths, photographic film production, and high-end vacuum cleaners, demonstrating its adaptability.
Company Background: Hebei Fangyu Filters Material Technology Co., Ltd.
Hebei Fangyu Filters Material Technology Co., Ltd., based in Hebei, China, is a leading manufacturer of high-performance filtration materials. With a focus on innovation and quality, the company specializes in producing fiberglass filter paper and other advanced air filtration solutions. Their products are designed to meet international standards such as EN 779 and ISO 16890, ensuring reliability and compliance across global markets.
Why Choose Hebei Fangyu?
As a trusted supplier of hepa filter paper for sale, Hebei Fangyu combines technical expertise with a customer-centric approach. Their commitment to quality is reflected in the rigorous testing and optimization of their fiberglass air filter paper. By leveraging state-of-the-art production techniques, the company ensures that its products deliver consistent performance, even in the most challenging environments.
Industry Standards and Compliance
The ASHRAE, HEPA, and ULPA classifications adhere to global standards for air filtration efficiency. For instance, ASHRAE 52.2 and EN 779 define the testing methods for general-purpose filters, while ISO 16890 provides a framework for evaluating the performance of air filters in HVAC systems. These standards ensure that Hebei Fangyu’s products meet the exacting demands of industries ranging from healthcare to aerospace.
Environmental and Safety Considerations
Fiberglass air filter paper is engineered to minimize environmental impact without compromising performance. Its durability reduces the frequency of replacements, lowering waste generation. Additionally, the material’s low resistance ensures energy efficiency, aligning with sustainability goals. For more information on hepa filter paper manufacturers, visit Hebei Fangyu’s official website.
Conclusion
Fiberglass air filter paper from Hebei Fangyu Filters Material Technology Co., Ltd. is a reliable and high-performance solution for air filtration needs. Whether for residential, industrial, or specialized applications, the product’s advanced design and adherence to international standards make it a preferred choice. By integrating cutting-edge technology with rigorous quality control, Hebei Fangyu continues to set benchmarks in the filtration industry.
References
NIST (National Institute of Standards and Technology) provides critical standards for measurement and testing in various industries, including air filtration. For more information, visit https://www.nist.gov.
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