Introduction to Air Filtration
Efficient air filtration is critical in maintaining air quality in both residential and industrial environments. **Fiberglass air filter paper** has emerged as a leading solution due to its superior performance and versatility. This article delves into the technical specifications, applications, and benefits of fiberglass air filter paper, highlighting its role in modern filtration systems.

Product Overview
Fiberglass air filter paper is manufactured using **glass microfiber wool** through a wet-forming process. This method ensures **uniform fiber distribution**, resulting in a material with **high dust-hold capacity**, **low air resistance**, and **enhanced structural strength**. The product is categorized into three series based on filtration efficiency: **ASHRAE**, **HEPA**, and **ULPA**. Each series is designed to meet specific filtration requirements, from general HVAC systems to ultra-clean environments.
The **fiberglass filter paper** is widely used in applications such as home air conditioners, air purifiers, vacuum exhaust filters, and industrial cleanrooms. Its adaptability makes it an ideal choice for industries requiring precise air quality control, including pharmaceuticals, microelectronics, and automotive manufacturing.

Technical Specifications
The following table outlines the detailed technical specifications of the fiberglass air filter paper across different series:
| 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 underscores the product’s ability to meet stringent filtration standards, with **HEPA** and **ULPA** grades achieving near-perfect efficiency in removing airborne particles.

Applications and Use Cases
Fiberglass air filter paper is employed in a wide range of applications, including:
- Residential and Commercial HVAC Systems: ASHRAE-grade filters (F5-F9) are ideal for ordinary air-conditioning systems, gas turbine air intakes, and compressors.
- High-Grade Air Purifiers: HEPA-grade filters (H10-H14) are used in 10,000 to 100,000-grade cleanrooms, nuclear air exhaust systems, and high-end vacuum cleaners.
- Ultra-Clean Environments: ULPA-grade filters (U15-U17) are essential for semiconductor manufacturing, pharmaceutical production, and other industries requiring 100-grade or cleaner environments.
The product’s **low air resistance** ensures energy efficiency, while its **high dust-hold capacity** reduces the frequency of replacements. For example, **hepa filter paper for sale** is a popular choice for medical facilities and laboratories where contamination control is paramount.
Company Background: Hebei Fangyu Filters Material Technology Co., Ltd.
**Hebei Fangyu Filters Material Technology Co., Ltd.** is a leading manufacturer of high-performance filtration materials, specializing in **fiberglass filter paper** and **hepa filter paper manufacturers**. With a commitment to innovation and quality, the company provides solutions tailored to diverse industrial needs.
The company’s products comply with international standards such as **EN779/ISO16890**, ensuring reliability and consistency. By leveraging advanced manufacturing techniques, Hebei Fangyu delivers filtration materials that meet the demands of modern industries, from **microelectronics** to **pharmaceuticals**.
Why Choose Fiberglass Air Filter Paper?
Several factors make fiberglass air filter paper a preferred choice:
- Superior Efficiency: The product’s design ensures high filtration efficiency across all grades, from ASHRAE to ULPA.
- Durability: The **glass microfiber wool** construction provides excellent mechanical strength, resisting degradation under harsh conditions.
- Cost-Effectiveness: With a long service life and low maintenance requirements, the paper offers a high return on investment.
- Environmental Compliance: The product aligns with global standards for air quality and sustainability.
For industries seeking **fiberglass filter paper** solutions, Hebei Fangyu’s offerings represent a blend of cutting-edge technology and practical application.
Conclusion
Fiberglass air filter paper is a cornerstone of modern air filtration technology, offering unmatched performance in diverse applications. Its technical excellence, combined with the expertise of **Hebei Fangyu Filters Material Technology Co., Ltd.**, ensures that it remains a trusted solution for industries worldwide. Whether for residential use or industrial cleanrooms, this product exemplifies the intersection of innovation and practicality in air quality management.
References
1. NIST Standards: The National Institute of Standards and Technology (NIST) plays a pivotal role in establishing measurement standards that underpin filtration technologies. While specific links to NIST pages in the context are unavailable, their research on air quality and material science continues to influence industry practices. For more information, visit NIST’s official website.
2. EN779/ISO16890 Compliance: The product adheres to these international standards, ensuring its efficacy in air filtration applications.
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