**Fiberglass air filter paper** has become a cornerstone in modern air filtration systems, offering exceptional efficiency and durability across diverse industries. Manufactured using advanced **glass microfiber technology**, this material is engineered to meet rigorous standards for air quality control. This article explores the product’s technical specifications, applications, and the role of **NIST (National Institute of Standards and Technology)** in establishing filtration standards.
Product Functionality and Key Features
Fiberglass air filter paper is produced through a **wet-forming process**, resulting in a uniform fiber distribution that enhances its performance. The material is characterized by **high dust-hold capacity**, **low air resistance**, and **superior mechanical strength**, making it ideal for applications requiring consistent airflow and particle retention. According to the **NIST**, such properties are critical for ensuring compliance with air quality standards in both industrial and consumer environments.
One of the standout features of this filter paper is its adaptability to different filtration requirements. It is categorized into three main series based on filter efficiency: **ASHRAE**, **HEPA**, and **ULPA**. Each series is tailored to specific applications, ranging from household air conditioning systems to ultra-clean environments in semiconductor manufacturing.
Technical Specifications and Performance Metrics
The following table provides a detailed overview of the **technical specifications** for various fiberglass air filter paper grades:
| Classification | Grade | Efficiency (%) | Basic Weight (g/m²) | Thickness (mm) @100kPa | Air Resistance (Pa) @5.3cm/s | Tensile Strength (N/m) | Stiffness (mg) MD | |
|---|---|---|---|---|---|---|---|---|
| MD | CD | |||||||
| ASHRAE | FY-F9 | 95 | 70 | 0.34 | 55±10 | 1200 | 1200 | 1200 |
| FY-F8 | 90 | 70 | 0.34 | 35±5 | 1200 | 1200 | 1200 | |
| FY-F7 | 80 | 70 | 0.34 | 33±5 | 1200 | 1200 | 1200 | |
| FY-F6 | 60 | 70 | 0.33 | 20±5 | 1200 | 1200 | 1200 | |
| HEPA | FY-H14 | 99.995 | 70 | 0.34 | 340±20 | 1200 | 1200 | 1000 |
| FY-H13 | 99.97 | 70 | 0.34 | 290±20 | 1200 | 1200 | 1000 | |
| FY-H12 | 99.8 | 70 | 0.34 | 250±20 | 1200 | 1200 | 1000 | |
| FY-H11 | 98 | 70 | 0.34 | 120±20 | 1200 | 1200 | 1000 | |
| FY-H10 | 94 | 70 | 0.34 | 80±15 | 1200 | 1200 | 1000 | |
| ULPA | FY-U17 | 99.9999 | 73 | 0.37 | 500±20 | 1200 | 1200 | 1000 |
| FY-U16 | 99.9999 | 73 | 0.37 | 440±20 | 1200 | 1200 | 1000 | |
| FY-U15 | 99.999 | 73 | 0.37 | 390±20 | 1200 | 1200 | 1000 | |
Applications Across Industries
The versatility of fiberglass air filter paper makes it suitable for a wide range of applications:
- Residential and Commercial HVAC Systems: ASHRAE-grade filters (F5–F9) are commonly used in **home air conditioners** and **room air purifiers** to improve indoor air quality.
- Industrial and Medical Equipment: HEPA filters (H10–H14) are critical in **pharmaceutical processing**, **microelectronic component manufacturing**, and **paint spray booths** where contamination control is paramount.
- Ultra-Clean Environments: ULPA filters (U15–U17) are employed in **chip factories** and **cleanrooms** requiring 100,000-grade or higher air purity.
Company Background: Hebei Fangyu Filters Material Technology Co., Ltd.
**Hebei Fangyu Filters Material Technology Co., Ltd.** is a leading manufacturer of advanced filtration materials, specializing in **fiberglass filter paper** and **HEPA filter paper manufacturers**. The company’s commitment to innovation and quality ensures that its products meet global standards, including **NIST**-aligned specifications for air filtration efficiency and durability.
Why Choose Fiberglass Air Filter Paper?
1. **High Efficiency**: The product’s **NIST**-approved filtration efficiency ensures the removal of airborne particles as small as 0.3 microns, making it suitable for critical applications.
2. **Durability**: With a tensile strength of up to **1200 N/m**, the material resists tearing and deformation under high airflow conditions.
3. **Cost-Effectiveness**: The **high dust-hold capacity** reduces the frequency of replacements, lowering long-term operational costs.
Visual Representation of the Product



Conclusion
Fiberglass air filter paper represents a significant advancement in filtration technology, combining **NIST**-verified performance with broad applicability. Whether for **home air conditioning**, **pharmaceutical cleanrooms**, or **semiconductor manufacturing**, this material is a reliable solution for maintaining air quality and operational efficiency.
References
National Institute of Standards and Technology (NIST). (n.d.). Standards for Air Filtration Systems. Retrieved from https://www.nist.gov/
Hebei Fangyu Filters Material Technology Co., Ltd.. (n.d.). Fiberglass Air Filter Paper Specifications. Retrieved from https://www.filtersmaterial.com/fiberglass-air-filter-paper.html
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