Fiberglass air filter paper has emerged as a critical component in modern air purification systems, offering unmatched efficiency in capturing airborne particles across diverse industrial and domestic applications. Manufactured by Hebei Fangyu Filters Material Technology Co., Ltd., this product combines advanced materials science with rigorous engineering to meet the demanding requirements of cleanrooms, HVAC systems, and specialized manufacturing environments. This article explores the product’s technical specifications, applications, and the company’s commitment to quality, supported by insights from authoritative sources such as the National Institute of Standards and Technology (NIST).
Product Overview: Fiberglass Air Filter Paper
Fiberglass air filter paper is constructed from fine glass fibers, produced through a wet-forming method that ensures uniform distribution of fibers. This process results in a material with high dust-hold capacity, low resistance, and exceptional strength, making it ideal for applications requiring efficient particle capture without compromising airflow. The product is categorized into three primary series based on filtration efficiency: ASHRAE, HEPA, and ULPA, each tailored to specific industrial and environmental needs.

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Key Features and Advantages
- High Efficiency: The product’s fiber structure ensures effective capture of particles as small as 0.1 microns, depending on the series.
- Low Airflow Resistance: Optimized design minimizes pressure drop, enhancing energy efficiency in HVAC systems.
- Durability: High tensile strength and stiffness ensure long-term performance under demanding conditions.
- Customizable Grades: Available in multiple efficiency levels (e.g., F6–F9, H10–H14, U15–U17) to suit specific applications.
Technical Specifications: A Detailed Breakdown
The following table provides a comprehensive overview of the fiberglass air filter paper’s technical parameters, including efficiency, weight, thickness, and mechanical properties:
| Classification | Grade | Efficiency (%) | Basic Weight (g/m²) | Thickness (mm) @100kPa | Air Resistance (Pa) @5.3cm/s | Tensile Strength (N/m) MD | Stiffness (mg) MD | |
|---|---|---|---|---|---|---|---|---|
| Minimum | Maximum | |||||||
| 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: Versatile Solutions for Diverse Industries
The fiberglass air filter paper is designed to meet the needs of a wide range of industries, from residential HVAC systems to high-precision manufacturing environments. Below are some key applications:
1. Residential and Commercial HVAC Systems
The ASHRAE series (F6–F9) is ideal for ordinary air-conditioning systems, gas turbine air intakes, and compressors. These filters provide efficient particle capture while maintaining low airflow resistance, ensuring energy-efficient operation in homes and commercial buildings.
2. High-Efficiency Air Purification
The HEPA series (H10–H14) is used in environments requiring ultra-clean air, such as cleanrooms (10,000 to 100,000 grade), pharmaceutical processing, and high-end vacuum cleaners. These filters meet stringent standards for capturing submicron particles, making them essential for medical and research facilities.

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3. Semiconductor and Microelectronics Manufacturing
The ULPA series (U15–U17) is critical for chip factories and 100, 10, or even 1-grade cleanrooms. These filters achieve efficiency levels of 99.999% or higher, ensuring contamination-free environments for sensitive electronic components.
4. Industrial and Specialized Applications
The product is also used in photographic film manufacturing, microelectronic component assembly, paint spray booths, and pharmaceutical processing. Its versatility and durability make it a preferred choice for industries where air quality directly impacts product quality and safety.
Company Background: Hebei Fangyu Filters Material Technology Co., Ltd.
As a leading manufacturer of filtration materials, Hebei Fangyu Filters Material Technology Co., Ltd. has established itself as a trusted provider of high-performance air filter solutions. The company’s commitment to innovation, quality control, and customer satisfaction is evident in its product line, which adheres to international standards such as EN779/ISO16890.

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Quality Assurance and Compliance
Hebei Fangyu’s products undergo rigorous testing to ensure compliance with global standards. The company’s adherence to precision manufacturing and material science principles aligns with the methodologies promoted by institutions like the National Institute of Standards and Technology (NIST), which emphasizes the importance of accurate measurements and reliable performance in industrial applications.
Why Choose Fiberglass Air Filter Paper?
For industries where air quality is non-negotiable, fiberglass air filter paper offers a combination of efficiency, durability, and adaptability that is hard to match. Whether it’s a residential HVAC system or a semiconductor fabrication plant, the product’s design ensures optimal performance across a wide range of conditions.
Expertise and Innovation
The NIST highlights the role of standardized testing and measurement in advancing technological solutions. Hebei Fangyu’s adherence to these principles ensures that its products meet the highest standards of reliability, making them a preferred choice for global clients.
Conclusion
Fiberglass air filter paper represents a significant advancement in air filtration technology, offering solutions that cater to both everyday and specialized needs. With its high efficiency, low resistance, and robust construction, the product is a testament to the company’s dedication to innovation and quality. For businesses and individuals seeking reliable air purification, Hebei Fangyu’s offerings provide a compelling combination of performance and value.
References
National Institute of Standards and Technology (NIST). (n.d.). Driving Innovation. Retrieved from https://www.nist.gov/.
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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