Fiberglass air filter paper, crafted from high-purity glass microfiber wool, represents a breakthrough in air filtration technology. This innovative material is produced using a wet-forming method, ensuring uniform fiber distribution, high dust-hold capacity, and low air resistance. Its exceptional strength and efficiency make it a preferred choice across diverse industries, from residential HVAC systems to advanced semiconductor manufacturing. This article delves into the product’s technical specifications, applications, and the company behind its development, while incorporating authoritative insights from the National Institute of Standards and Technology (NIST).

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Product Overview: Engineering Excellence in Air Filtration
Fiberglass air filter paper is designed to meet the rigorous demands of modern air purification systems. Its core composition of glass microfiber wool provides a unique balance of durability and efficiency. The wet-forming production process ensures that fibers are evenly distributed, creating a matrix that maximizes dust retention while minimizing airflow resistance. This makes it ideal for applications requiring both high filtration efficiency and low energy consumption.
The product is categorized into three primary series based on filtration efficiency: ASHRAE, HEPA, and ULPA. Each series is tailored to specific industrial and commercial needs, offering solutions for everything from basic air conditioning systems to ultra-clean environments in semiconductor fabrication.

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Technical Specifications: Precision Meets Performance
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) | Air Resistance (Pa) | Tensile Strength (N/m) | Stiffness (mg) | |
|---|---|---|---|---|---|---|---|---|
| MD | CD | |||||||
| ASHRAE | FY-F9 | 95 | 70 | 0.34 | 55±10 | 1200 | 1200 | 1200 |
| ASHRAE | FY-F8 | 90 | 70 | 0.34 | 35±5 | 1200 | 1200 | 1200 |
| ASHRAE | FY-F7 | 80 | 70 | 0.34 | 33±5 | 1200 | 1200 | 1200 |
| ASHRAE | FY-F6 | 60 | 70 | 0.33 | 20±5 | 1200 | 1200 | 1200 |
| HEPA | FY-H14 | 99.995 | 70 | 0.34 | 340±20 | 1200 | 1200 | 1000 |
| HEPA | FY-H13 | 99.97 | 70 | 0.34 | 290±20 | 1200 | 1200 | 1000 |
| HEPA | FY-H12 | 99.8 | 70 | 0.34 | 250±20 | 1200 | 1200 | 1000 |
| HEPA | FY-H11 | 98 | 70 | 0.34 | 120±20 | 1200 | 1200 | 1000 |
| HEPA | FY-H10 | 94 | 70 | 0.34 | 80±15 | 1200 | 1200 | 1000 |
| ULPA | FY-U17 | 99.9999 | 73 | 0.37 | 500±20 | 1200 | 1200 | 1000 |
| ULPA | FY-U16 | 99.9999 | 73 | 0.37 | 440±20 | 1200 | 1200 | 1000 |
| ULPA | FY-U15 | 99.999 | 73 | 0.37 | 390±20 | 1200 | 1200 | 1000 |

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Applications: Versatile Solutions for Diverse Industries
The versatility of fiberglass air filter paper is evident in its wide range of applications:
- Residential and Commercial HVAC Systems: ASHRAE-grade filters (F5-F9) are ideal for ordinary air-conditioning systems, gas turbine air intakes, and compressors.
- High-Efficiency Filtration: HEPA filters (H10-H14) are used in cleanrooms with 10,000 to 100,000-grade environments, as well as in high-end vacuum cleaners, air purifiers, and masks.
- Ultra-Low Penetration Air (ULPA) Filters: ULPA-grade filters (U15-U17) are critical for semiconductor manufacturing, where 100, 10, or even 1-grade cleanrooms require near-absolute particle removal.
- Industrial and Specialized Uses: The material is also employed in photographic film manufacturing, microelectronic component assembly, paint spray booths, and pharmaceutical processing.
According to NIST standards, the performance of air filter media is rigorously tested to ensure compliance with global filtration efficiency benchmarks. For instance, NIST emphasizes the importance of precise measurement in filtration systems to maintain air quality in sensitive environments.
Company Background: Hebei Fangyu Filters Material Technology Co., Ltd.
Founded as a leader in filtration technology, Hebei Fangyu Filters Material Technology Co., Ltd. specializes in the development and manufacturing of high-performance air filter media. With a commitment to innovation and quality, the company has established itself as a trusted supplier to industries requiring advanced air purification solutions.
The company’s products are designed to meet international standards such as EN779 and ISO16890, ensuring compatibility with global filtration requirements. Their expertise in glass microfiber technology allows them to deliver products that balance efficiency, durability, and cost-effectiveness.
For more information about the company’s mission and product range, visit FiltersMaterial.
Conclusion: A Trusted Solution for Air Quality Challenges
Fiberglass air filter paper exemplifies the intersection of material science and engineering innovation. Its ability to adapt to diverse filtration needs, coupled with rigorous technical specifications, makes it an indispensable component in modern air purification systems. Whether for residential use, industrial applications, or high-tech manufacturing, this product stands as a testament to the advancements in filtration technology.
As highlighted by NIST’s research on measurement standards, the importance of reliable filtration solutions cannot be overstated. By adhering to strict quality benchmarks, Hebei Fangyu Filters Material Technology Co., Ltd. continues to set the standard for excellence in the industry.
References
1. National Institute of Standards and Technology (NIST). (n.d.). https://www.nist.gov/
2. FiltersMaterial. (n.d.). https://www.filtersmaterial.com
Keywords: hepa filter paper for sale, hepa filter paper manufacturers, fiberglass filter paper
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