Fiberglass air filter paper has become a cornerstone in modern air purification systems, offering a balance of high efficiency, durability, and adaptability across diverse industries. Manufactured using advanced fiberglass filter paper technology, this material is designed to meet the rigorous demands of both industrial and consumer applications. This article delves into the features, advantages, technical specifications, and real-world applications of fiberglass air filter paper, while also exploring the background of its leading manufacturer, Hebei Fangyu Filters Material Technology Co., Ltd..

Image: Fiberglass air filter paper in industrial application
Core Features of Fiberglass Air Filter Paper
Fiberglass air filter paper is engineered to deliver exceptional performance through its unique composition and manufacturing process. The material is made from glass microfiber wool, which is produced via a wet-forming method. This technique ensures a uniform distribution of fibers, resulting in a product with high dust-hold capacity, low resistance, and remarkable strength. These characteristics make it an ideal choice for air filtration systems where efficiency and longevity are critical.
The product is categorized into three main series based on filter efficiency: ASHRAE, HEPA, and ULPA. Each series is tailored to specific applications, ranging from general HVAC systems to ultra-clean environments in semiconductor manufacturing and pharmaceuticals.

Image: HEPA filter paper production process
Key Advantages of Fiberglass Air Filter Paper
One of the standout advantages of fiberglass air filter paper is its ability to maintain low air resistance while capturing a high volume of particulate matter. This is achieved through the precise arrangement of glass fibers, which creates a porous structure that allows for efficient airflow without compromising filtration performance. Additionally, the material’s high tensile strength ensures it can withstand the mechanical stresses of industrial environments, reducing the risk of damage during installation or operation.
Another significant benefit is its versatility. Fiberglass air filter paper is suitable for a wide range of applications, including residential air conditioning systems, commercial HVAC units, vacuum cleaners, and specialized filters for cleanrooms. Its adaptability is further enhanced by the availability of multiple grades, each optimized for specific filtration efficiency levels. For example, ASHRAE series filters are ideal for general-purpose air conditioning, while ULPA filters are designed for ultra-high-efficiency applications in semiconductor manufacturing.

Image: Fiberglass filter paper in a cleanroom environment
Technical Specifications and Performance Metrics
The technical specifications of fiberglass air filter paper are meticulously designed to ensure optimal performance across various applications. The following table provides a detailed overview of the product’s parameters, including filter efficiency, basic weight, thickness, air resistance, tensile strength, and stiffness.
| Classification | Grade | Efficiency (%) | Basic Weight (g/m²) | Thickness (mm) | Air Resistance (Pa) | Tensile Strength (N/m) | Stiffness (mg) |
|---|---|---|---|---|---|---|---|
| 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
Fiberglass air filter paper is employed in a wide array of industries, where its high efficiency and durability are critical. In residential and commercial settings, it is commonly used in home air conditioners and room air purifiers, ensuring clean and breathable indoor air. Its low resistance and high dust-hold capacity make it an excellent choice for vacuum cleaners and exhaust filters, where continuous operation is required.
In industrial applications, fiberglass air filter paper is essential for maintaining cleanroom environments in sectors such as semiconductor manufacturing, pharmaceuticals, and biotechnology. For instance, ULPA filters are used in chip factories to achieve 100,000 to 100-grade cleaning rooms, while HEPA filters are employed in pharmaceutical processing to prevent contamination. Additionally, it is used in paint spray booths, photographic film manufacturing, and nuclear air exhaust systems, where even the smallest particulates can compromise product quality.
Company Background: Hebei Fangyu Filters Material Technology Co., Ltd.
Hebei Fangyu Filters Material Technology Co., Ltd. is a leading manufacturer of high-quality air filtration materials, including fiberglass filter paper and HEPA filter paper. With a strong commitment to innovation and customer satisfaction, the company has established itself as a trusted supplier in the global filtration industry. Their products are designed to meet international standards, including EN779 and ISO16890, ensuring reliability and performance across diverse applications.
Hebei Fangyu’s expertise in fiber technology and filtration science has enabled it to develop products that address the evolving needs of modern industries. The company’s focus on quality control and continuous improvement ensures that its fiberglass air filter paper meets the highest standards of efficiency and durability. This dedication to excellence has earned the company a reputation for delivering solutions that enhance air quality and operational efficiency in both industrial and consumer markets.
Conclusion
Fiberglass air filter paper represents a significant advancement in air filtration technology, offering a combination of high efficiency, durability, and adaptability. Its ability to meet the demands of diverse applications—from residential HVAC systems to ultra-clean industrial environments—makes it an indispensable component of modern air purification solutions. With the expertise of manufacturers like Hebei Fangyu Filters Material Technology Co., Ltd., the future of air filtration looks brighter, cleaner, and more efficient than ever before.
References
While direct access to NIST standards for fiberglass air filter paper was not possible due to technical constraints, the product’s compliance with international standards such as EN779 and ISO16890 ensures its reliability and performance. These standards are widely recognized in the filtration industry and provide a framework for evaluating the effectiveness of air filter materials.
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