
In today's world, air quality is a critical concern for both residential and industrial environments. Fiberglass air filter paper has emerged as a reliable solution for ensuring clean and safe air. Manufactured by Hebei Fangyu Filters Material Technology Co., Ltd., this product is designed to meet the highest standards of filtration efficiency and durability. This article explores the features, advantages, technical specifications, and applications of fiberglass air filter paper, highlighting its importance in various industries.
Fiberglass air filter paper is a specialized material made from glass microfiber wool, produced through a wet-forming method. This process ensures that the fibers are evenly distributed, resulting in a product with exceptional dust-hold capacity, low resistance, and high strength. The material is categorized into three main series based on its filter efficiency: ASHRAE, HEPA, and ULPA. Each series is tailored to meet specific filtration requirements, making it suitable for a wide range of applications.
The glass microfiber used in this product is known for its thermal stability and chemical resistance, making it ideal for use in environments where high temperatures and corrosive substances are present. Additionally, the low resistance of the material ensures that airflow is not significantly impeded, which is crucial for maintaining the efficiency of air conditioning systems and air purifiers.
The fiberglass air filter paper offers several standout features that make it a preferred choice in the filtration industry:
These features make fiberglass air filter paper an ideal choice for applications where air quality is paramount, such as in cleanrooms, pharmaceutical manufacturing, and microelectronics production.
There are several advantages to using fiberglass air filter paper over other filtration materials:
Additionally, the glass microfiber material is non-flammable, making it a safe option for use in high-risk environments such as chemical plants and power generation facilities.
The following table provides a detailed overview of the technical specifications of fiberglass air filter paper across different filter efficiency classes:
| 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 |
As shown in the table, the fiberglass air filter paper is available in a wide range of efficiency levels, from F6 to U17, catering to diverse filtration needs. The high tensile strength and stiffness ensure that the filters can withstand mechanical stress and pressure, making them suitable for high-demand environments.
The versatility of fiberglass air filter paper makes it suitable for a wide range of applications:
Additionally, the fiberglass air filter paper is used in gas turbine air intakes, air compressors, and high-grade vacuum cleaners, demonstrating its adaptability to various industrial applications.

Hebei Fangyu Filters Material Technology Co., Ltd. is a leading manufacturer of air filtration materials, specializing in fiberglass air filter paper, HEPA filter paper, and ULPA filter paper. With a focus on innovation and quality, the company has established itself as a trusted supplier in the global filtration industry.
Committed to sustainable development and technological advancement, Hebei Fangyu provides customized solutions to meet the specific needs of its clients. The company's products are widely used in industrial, commercial, and residential applications, ensuring superior air quality and operational efficiency.
For more information about HEPA filter paper manufacturers and fiberglass filter paper, visit the product page or contact the company directly.

Fiberglass air filter paper is a critical component in ensuring clean and safe air in various environments. Its superior features, technical specifications, and diverse applications make it a preferred choice for industrial and residential use. With Hebei Fangyu Filters Material Technology Co., Ltd. as a reliable supplier, users can trust in the quality and performance of this product.
As the demand for high-efficiency filtration continues to grow, fiberglass air filter paper will remain a vital solution for air quality management. Whether for home use or industrial applications, this product offers a cost-effective, durable, and eco-friendly option for air filtration needs.
While the search for NIST citations encountered an error, the technical specifications and standards mentioned in this article are based on industry-recognized benchmarks such as EN779 and ISO16890, which are widely used in the filtration industry.
Raw Material: Various technical polypropylene and non-woven fiber
Process Technilogh:composite
Application:Pocket(bag) Filter
Range of efficiency:M5 to F9
F5:white+activated carbon:150g/㎡
F6:green+activated carbon:150g/㎡
F7:pink+activated carbon:150g/㎡
F8:yellow +activated carbon:150g/㎡
Thickness:0.2-6 mm or Customized
Strand Thickness:0.5-8mm
Swd:2.5-100mm Lwd: 4.5-200mm
Surface Treatment:Powder Coated,Galvanized
MATERAL: PHENOLIC PAPER
MELT-BLOWN PBT
NON-WONEN LAMINATES
DIESEL FUEL FINE FILTERATION GRADE
APPLICATION : FUEL OIL WATER SEPERATION FILTER MEDIA
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