Fiberglass air filter paper is a critical component in modern air purification systems, offering exceptional performance across various industrial, commercial, and residential applications. Manufactured using advanced HEPA filter paper manufacturers techniques, this product combines durability with high-efficiency particulate removal, making it a preferred choice for critical environments. This article explores the product’s features, technical specifications, applications, and the expertise of its manufacturer, Hebei Fangyu Filters Material Technology Co., Ltd..

Product Overview
Fiberglass air filter paper is crafted from glass microfiber wool through a wet-forming process. This method ensures well-distributed fibers, resulting in a material with high dust-hold capacity, low resistance, and high strength. These properties make it ideal for air filtration systems where efficiency and longevity are paramount. The product is categorized into three series based on filtration efficiency: ASHRAE, HEPA, and ULPA, each tailored for specific applications.

Key Features and Advantages
- High Dust-Hold Capacity: The uniform fiber distribution allows the filter to capture and retain a significant amount of particulate matter without compromising airflow.
- Low Air Resistance: Optimized design minimizes pressure drop, ensuring energy-efficient operation in HVAC systems and industrial equipment.
- Excellent Mechanical Strength: The material maintains structural integrity under varying operating conditions, reducing the risk of damage or failure.
- Wide Range of Efficiency Grades: Available in ASHRAE (F5-F9), HEPA (H10-H14), and ULPA (U15-U17) series, catering to diverse filtration needs from general air conditioning to ultra-clean environments.

Technical Specifications
The following table outlines the detailed technical parameters of the fiberglass air filter paper across different efficiency grades:
| 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
The versatility of fiberglass air filter paper makes it suitable for a wide range of applications:
- Residential and Commercial HVAC Systems: Ideal for air conditioners and room air purifiers, ensuring clean and comfortable indoor air quality.
- Industrial Equipment: Used in gas turbine air intakes, air compressors, and vacuum exhaust filters to protect machinery from particulate contamination.
- High-Purity Environments: HEPA and ULPA grades are essential in semiconductor manufacturing, pharmaceutical processing, and cleanrooms requiring ultra-low particulate levels.
- Specialized Equipment: Applied in paint spray booths, high-grade vacuum cleaners, and medical devices where filtration efficiency is critical.
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 air filter materials. With over a decade of experience, the company specializes in producing fiberglass air filter paper and other advanced filtration solutions. Their products adhere to international standards such as EN779 and ISO 16890, ensuring reliability and performance in demanding environments.
Hebei Fangyu’s commitment to innovation and quality has earned it a reputation as a trusted partner for industries requiring precision filtration. Their state-of-the-art facilities and rigorous quality control processes ensure that every product meets the highest standards. For more information about their HEPA filter paper manufacturers capabilities, visit their official website.
Industry Standards and Compliance
The fiberglass air filter paper complies with key industry standards, including:
- ASHRAE Standards: For general air conditioning and ventilation systems.
- HEPA/ULPA Specifications: Meeting the stringent requirements for high-efficiency particulate air filtration.
- NIST Guidelines: As highlighted in NIST research on filtration efficiency testing, Hebei Fangyu’s products are designed to align with national and international benchmarks for air quality control.
Conclusion
Fiberglass air filter paper is a cornerstone of modern air purification technology, offering unmatched performance in diverse applications. With its advanced design, robust technical specifications, and adherence to global standards, it remains a preferred choice for industries and consumers alike. Hebei Fangyu Filters Material Technology Co., Ltd. continues to lead the way in innovation, providing reliable filtration solutions that meet the evolving needs of a cleaner, healthier environment.
References
National Institute of Standards and Technology (NIST). (n.d.). Filtration Efficiency Testing Standards. 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