Fiberglass air filter paper has emerged as a critical component in maintaining air quality across various industries. Constructed from glass microfiber wool using a wet-forming method, this material is engineered to provide exceptional dust-hold capacity, low resistance, and high tensile strength. Its versatility and performance make it an ideal choice for applications ranging from household air conditioners to high-precision industrial environments. This article delves into the technical specifications, advantages, and applications of fiberglass air filter paper, while also highlighting the company behind this innovation, Hebei Fangyu Filters Material Technology Co., Ltd..
The fiberglass air filter paper is categorized into three primary series based on filtration efficiency: ASHRAE, HEPA, and ULPA. Each series is tailored to meet specific industry standards and requirements, ensuring optimal performance in diverse environments.
| 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 |
The table above illustrates the detailed specifications of each variant. For instance, ASHRAE filters (F6–F9) are designed for general air conditioning systems and industrial applications such as gas turbine air intakes and compressors. HEPA filters (H10–H14) offer ultra-high efficiency, making them suitable for cleanrooms, nuclear facilities, and high-end vacuum cleaners. ULPA filters (U15–U17) provide the highest level of filtration, essential for semiconductor manufacturing and ultra-clean environments.
One of the standout features of fiberglass air filter paper is its ability to maintain a balance between high dust-hold capacity and low air resistance. This is achieved through the uniform distribution of glass microfibers, which ensures consistent airflow while capturing a wide range of particulates. The material’s high tensile strength (1200 N/m MD) and stiffness (≥1000 mg MD) further enhance its durability, making it suitable for demanding environments.
Compared to traditional filter media, fiberglass air filter paper offers superior performance in terms of longevity and efficiency. Its low resistance to airflow reduces energy consumption in HVAC systems, while its high dust-hold capacity minimizes the frequency of replacements. These advantages make it a cost-effective solution for both residential and industrial applications.
The versatility of fiberglass air filter paper is evident in its wide range of applications. It is commonly used in home air conditioners, room air purifiers, and vacuum exhaust filters, ensuring cleaner indoor air for consumers. In industrial settings, it is integral to HEPA filters and ULPA filters, which are critical in pharmaceutical processing, microelectronic component manufacturing, and paint spray booths.
In the pharmaceutical industry, fiberglass air filter paper plays a vital role in maintaining sterile environments during drug production. Similarly, in microelectronics, it is used to protect sensitive components from contamination during assembly and manufacturing. The photographic film manufacturing sector also relies on these filters to prevent particle interference, ensuring high-quality film production.
For cleanrooms in semiconductor fabrication, ULPA filters are indispensable. These filters can capture particles as small as 0.12 microns, meeting the stringent requirements of 100, 10, or even 1-grade cleanrooms. In the automotive industry, fiberglass air filters are used in paint spray booths to prevent dust and debris from compromising the finish of vehicles.
Hebei Fangyu Filters Material Technology Co., Ltd. is a leading manufacturer of high-performance filtration materials, specializing in fiberglass filter paper, HEPA filter paper for sale, and HEPA filter paper manufacturers. With a focus on innovation and quality, the company has established itself as a trusted supplier in the global filtration industry.
Committed to meeting international standards, Hebei Fangyu adheres to rigorous testing protocols, including EN779 and ISO16890. This ensures that their products consistently deliver the performance required for critical applications. The company’s dedication to research and development has enabled it to produce advanced filter media that address the evolving needs of modern industries.
As a HEPA filter paper manufacturer, Hebei Fangyu offers a comprehensive range of products tailored to specific filtration requirements. Their expertise in fiberglass filter paper production has made them a preferred partner for businesses seeking reliable and efficient air filtration solutions.
The fiberglass air filter paper represents a significant advancement in filtration technology, combining high efficiency with durability and cost-effectiveness. Its applications span a wide array of industries, from residential HVAC systems to high-precision manufacturing environments. As highlighted by the National Institute of Standards and Technology (NIST), the importance of standardized filtration solutions cannot be overstated in ensuring air quality and operational safety. Hebei Fangyu Filters Material Technology Co., Ltd. continues to lead the way in delivering innovative filtration products that meet the demands of a rapidly evolving market.
National Institute of Standards and Technology (NIST). (n.d.). Standards and Measurements. Retrieved from https://www.nist.gov/



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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