As the demand for clean air and efficient filtration systems grows across industries, fiberglass air filter paper has emerged as a critical component in maintaining air quality. Crafted from glass microfiber wool using a wet-forming process, this high-performance material is engineered to deliver exceptional dust-hold capacity, low resistance, and high structural strength. Developed by Hebei Fangyu Filters Material Technology Co., Ltd., a leading manufacturer in filtration solutions, these filters are tailored to meet the rigorous demands of diverse applications. This article explores the technical specifications, applications, and advantages of fiberglass air filter paper, highlighting its role in modern air purification systems.
Product Overview
Fiberglass air filter paper is a specialized media designed for air filtration systems. Its unique composition of glass microfiber wool ensures a uniform fiber distribution, which enhances its ability to capture particulates while maintaining low airflow resistance. This balance of efficiency and performance makes it ideal for both industrial and residential settings. The product is categorized into three primary series based on filtration efficiency: ASHRAE, HEPA, and ULPA, each designed for specific applications.

High-performance fiberglass air filter paper designed for industrial and residential use.
Technical Specifications
The technical specifications of fiberglass air filter paper are meticulously engineered to ensure optimal performance across various applications. Below is a detailed table outlining the key parameters for each filtration 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 and Use Cases
Fiberglass air filter paper is widely used across various industries due to its versatility and high performance. The ASHRAE series is ideal for ordinary air-conditioning systems, gas turbine air intakes, and compressors. The HEPA series, with its high efficiency, is employed in cleanrooms, nuclear air exhaust systems, and high-grade vacuum cleaners. The ULPA series, designed for ultra-high efficiency, is critical in semiconductor manufacturing and ultra-clean environments.

Fiberglass filter paper tailored for industrial applications requiring high filtration efficiency.
Specific applications include:
- Home Air Conditioners: ASHRAE filters ensure efficient air circulation and particulate removal.
- Photographic Film Manufacturing: HEPA filters maintain contamination-free environments.
- Pharmaceutical Processing: ULPA filters prevent microbial contamination in critical areas.
- Paint Spray Booths: HEPA filters capture fine particles, ensuring quality finishes.
Company Background: Hebei Fangyu Filters Material Technology Co., Ltd.
Hebei Fangyu Filters Material Technology Co., Ltd. is a reputable manufacturer specializing in advanced filtration materials. With a commitment to innovation and quality, the company has established itself as a leader in the industry. Their products adhere to international standards such as EN779 and ISO 16890, ensuring reliability and performance. Hebei Fangyu’s dedication to research and development has enabled them to provide customized solutions for diverse filtration needs.

High-quality HEPA filter paper manufactured by Hebei Fangyu Filters Material Technology Co., Ltd.
Advantages of Fiberglass Air Filter Paper
The advantages of fiberglass air filter paper include:
- High Dust-Hold Capacity: Ensures prolonged filter life and reduced maintenance frequency.
- Low Airflow Resistance: Maintains energy efficiency in HVAC systems.
- Structural Strength: Resists tearing and deformation under pressure.
- Customizable Grades: Available in multiple efficiency levels to suit specific requirements.
Conclusion
Fiberglass air filter paper is an essential component in modern air filtration systems, offering a balance of efficiency, durability, and adaptability. With its advanced technical specifications and broad range of applications, it meets the demands of both industrial and residential environments. Hebei Fangyu Filters Material Technology Co., Ltd. continues to lead in innovation, providing reliable solutions that adhere to global standards. For more information on HEPA filter paper for sale or fiberglass filter paper, visit their official website.
References
1. National Institute of Standards and Technology (NIST). (n.d.). Retrieved from https://www.nist.gov.
2. International Organization for Standardization (ISO). (n.d.). Retrieved from https://www.iso.org.
3. EN 779:2019. (n.d.). Retrieved from https://www.en-standard.org.
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