Fiberglass air filter paper has emerged as a critical component in ensuring air quality across various industries, from residential HVAC systems to high-precision manufacturing environments. Manufactured using advanced wet-forming techniques, this product is engineered to deliver exceptional dust-hold capacity, low air resistance, and high mechanical strength. Its versatility is reflected in its classification into three primary series—ASHRAE, HEPA, and ULPA—each tailored to specific filtration needs. This article explores the product’s features, technical specifications, applications, and the company behind its innovation, Hebei Fangyu Filters Material Technology Co., Ltd.

Understanding Fiberglass Air Filter Paper
Fiberglass air filter paper is crafted from glass microfiber wool, a material known for its fine fibers and uniform distribution. The wet-forming production method ensures that the fibers are evenly dispersed, creating a dense yet porous structure that optimizes filtration efficiency. This process results in a product that balances high dust-hold capacity with minimal air resistance, making it ideal for applications where both performance and energy efficiency are critical.
The product’s unique properties make it a preferred choice in environments where air purity is paramount. Whether in residential air purifiers or industrial cleanrooms, fiberglass air filter paper provides reliable protection against particulate matter, ensuring cleaner air and extended equipment lifespan.

Key Features and Advantages
The glass microfiber air filter media is designed to meet rigorous filtration standards while maintaining structural integrity. Its primary advantages include:
- High Dust-Hold Capacity: The uniform fiber distribution allows the filter to capture and retain a large volume of particles without compromising airflow.
- Low Air Resistance: The optimized structure ensures minimal pressure drop, reducing energy consumption and enhancing system efficiency.
- High Mechanical Strength: The material’s robustness ensures durability under varying operational conditions, making it suitable for demanding environments.
- Customizable Efficiency Levels: The product is categorized into ASHRAE, HEPA, and ULPA series, each offering different filtration efficiencies to match specific requirements.
These features collectively position fiberglass air filter paper as a versatile solution for diverse applications, from everyday household use to specialized industrial settings.

Technical Specifications and Performance Metrics
The following table provides a detailed overview of the product’s technical specifications, including classification, efficiency, 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 |
The data highlights the product’s adaptability to varying filtration demands. For instance, the ASHRAE series (F6–F9) is ideal for general-purpose applications like air conditioning systems and compressor intake filters, while the HEPA and ULPA series cater to high-precision environments such as pharmaceutical manufacturing and semiconductor fabrication.
Applications Across Industries
Fiberglass air filter paper’s versatility is evident in its wide range of applications:
- Residential and Commercial HVAC: Used in air conditioners and purifiers to improve indoor air quality and reduce allergens.
- Industrial Filtration: Employed in vacuum exhaust systems, paint spray booths, and gas turbine air intakes to capture fine particles and protect equipment.
- High-Precision Manufacturing: Essential in cleanrooms for microelectronics, pharmaceuticals, and photographic film production, where contamination control is critical.
- Healthcare and Safety: Integrated into high-grade vacuum cleaners, air purifiers, and masks to ensure breathable air in sensitive environments.
The product’s ability to meet stringent filtration standards, such as those set by EN779/ISO16890, further underscores its reliability in demanding applications.
Company Background: Hebei Fangyu Filters Material Technology Co., Ltd.
Hebei Fangyu Filters Material Technology Co., Ltd. is a leading manufacturer specializing in advanced filtration materials. With a focus on innovation and quality, the company has established itself as a trusted supplier of fiberglass filter paper and HEPA filter paper for sale to global clients. Their commitment to excellence is reflected in the rigorous testing and adherence to international standards that their products undergo.
As a key player in the filtration industry, Hebei Fangyu continuously invests in research and development to enhance product performance and expand its offerings. Their expertise in producing HEPA filter paper manufacturers ensures that they meet the evolving needs of diverse sectors, from healthcare to semiconductor manufacturing.
For more information about their products, visit the product page or explore their company website.
Ensuring Air Quality: The Role of Standards and Testing
The performance of fiberglass air filter paper is validated through standardized testing procedures, ensuring compliance with industry benchmarks. Organizations like the National Institute of Standards and Technology (NIST) play a crucial role in establishing measurement standards that underpin the reliability of such products. According to NIST, “Precision in measurement is essential for advancing technology and ensuring safety in critical applications” (NIST). This emphasis on accuracy aligns with the rigorous testing protocols that Hebei Fangyu employs to guarantee product quality.
By adhering to standards such as EN779 and ISO16890, the company ensures that its filters deliver consistent performance, even in the most challenging environments. This commitment to quality is a testament to the company’s dedication to meeting the highest industry expectations.
Conclusion
Fiberglass air filter paper represents a significant advancement in filtration technology, offering a balance of efficiency, durability, and adaptability. Its application across residential, industrial, and specialized sectors highlights its importance in maintaining air quality and protecting both people and equipment. With Hebei Fangyu Filters Material Technology Co., Ltd. at the forefront of innovation, the future of filtration looks promising, driven by continuous improvements in materials science and testing methodologies.
For those seeking reliable HEPA filter paper for sale or fiberglass filter paper, Hebei Fangyu stands as a trusted partner, delivering solutions that meet the demands of modern industries. Explore their offerings today and experience the difference of high-quality filtration technology.
References
1. National Institute of Standards and Technology (NIST). (n.d.). Retrieved from https://www.nist.gov
2. Hebei Fangyu Filters Material Technology Co., Ltd. (n.d.). Fiberglass Air Filter Paper. Retrieved from https://www.filtersmaterial.com
Keywords: HEPA filter paper for sale, HEPA filter paper manufacturers, fiberglass filter paper
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