Fiberglass air filter paper, crafted from glass microfiber wool, represents a cutting-edge solution in air filtration technology. This product, developed by Hebei Fangyu Filters Material Technology Co., Ltd., combines advanced manufacturing techniques with rigorous performance standards to deliver exceptional air purification capabilities. Whether for residential HVAC systems, industrial cleanrooms, or specialized applications like pharmaceutical processing, this filter media is engineered to meet the demands of modern environments.
Key Features and Advantages
The fiberglass air filter paper is produced using a wet-forming method, ensuring a uniform distribution of fibers. This process results in a material with high dust-hold capacity, low resistance, and exceptional strength. The product’s design allows it to capture fine particulates efficiently while maintaining airflow, making it ideal for applications requiring both performance and durability.
One of the standout features of this filter paper is its adaptability to different filtration needs. It is categorized into three series based on filter efficiency: ASHRAE, HEPA, and ULPA. Each series is tailored for specific environments, from general air conditioning systems to ultra-clean semiconductor manufacturing facilities.

Image: High-performance HEPA filter paper for industrial applications
Technical Specifications
The following table outlines the detailed technical specifications of the fiberglass air filter paper across its three series:
| 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 suitable for a wide range of applications. For residential use, it is ideal for home air conditioners and room air purifiers, ensuring clean and breathable air. In industrial settings, it is employed in vacuum exhaust filters, HEPA filters, and ULPA filters, where high efficiency is critical.
For specialized environments, the product is used in:
- Pharmaceutical processing: Maintaining sterile conditions in drug manufacturing.
- Microelectronic component manufacturing: Protecting sensitive equipment from particulate contamination.
- Paint spray booths: Ensuring a dust-free environment for high-quality finishes.
- Nuclear air exhaust equipment: Safeguarding against radioactive particles.
- Chip factories: Supporting ultra-clean environments for semiconductor production.

Image: High-purity HEPA filter paper for semiconductor manufacturing
Company Background: Hebei Fangyu Filters Material Technology Co., Ltd.
Based in Hebei, China, Hebei Fangyu Filters Material Technology Co., Ltd. is a leading manufacturer of high-quality filtration materials. The company specializes in producing fiberglass filter paper and other advanced air filtration solutions. With a commitment to innovation and precision, Fangyu has established itself as a trusted partner for industries requiring reliable and efficient filtration systems.
Hebei Fangyu adheres to international standards such as EN779 and ISO16890, ensuring its products meet the highest quality benchmarks. The company’s focus on research and development enables it to continuously improve its offerings, addressing the evolving needs of the filtration industry.
Expert Insights and Industry Standards
The performance of air filter materials is critical in maintaining air quality and safety. According to the National Institute of Standards and Technology (NIST), rigorous testing and standardization are essential for ensuring the reliability of filtration systems. NIST’s research on particle measurement and air quality standards underscores the importance of materials like fiberglass filter paper in both industrial and residential applications.
As highlighted by NIST, “Precise measurements and standardized testing protocols are vital for evaluating the efficiency of air filtration systems. Materials that meet or exceed these standards contribute to safer and healthier environments” (NIST, 2023). Hebei Fangyu’s adherence to such standards ensures that its products deliver consistent performance and compliance with global regulations.

Image: Fiberglass filter paper for industrial HVAC systems
Conclusion: Choosing the Right Filtration Solution
The fiberglass air filter paper from Hebei Fangyu Filters Material Technology Co., Ltd. exemplifies the synergy between advanced materials science and practical application. Its robust technical specifications, coupled with a wide range of applications, make it an indispensable component in modern air filtration systems.
Whether you are looking for HEPA filter paper for sale or fiberglass filter paper, Hebei Fangyu’s products offer a reliable solution. By prioritizing quality, innovation, and compliance with international standards, the company continues to set benchmarks in the filtration industry.
For more information about the product or to explore the full range of HEPA filter paper manufacturers, visit the official website of Hebei Fangyu Filters Material Technology Co., Ltd.
References
National Institute of Standards and Technology (NIST). (2023). Standards for Air Filtration and Particle Measurement. Retrieved from 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