Fiberglass Air Filter Paper - Hebei Fangyu | High Efficiency, Low Resistance

Sep . 19, 2025

Fiberglass air filter paper has become a cornerstone in modern air purification systems, offering exceptional filtration efficiency and durability. Manufactured by Hebei Fangyu Filters Material Technology Co., Ltd., this product is designed to meet the stringent demands of industrial, commercial, and residential applications. With a focus on glass microfiber wool and a wet-forming production method, the material ensures even fiber distribution, high dust-hold capacity, and low resistance. This article delves into the product's features, technical specifications, applications, and the company's commitment to quality, supported by authoritative references from the National Institute of Standards and Technology (NIST).

Product Overview and Core Features

The Fiberglass Air Filter Paper is a high-performance material crafted from glass microfiber wool, produced through a wet-forming process. This method ensures uniform fiber distribution, which is critical for maintaining low air resistance while maximizing dust-hold capacity. The product is categorized into three main series based on filtration efficiency: ASHRAE, HEPA, and ULPA. Each series is tailored to specific applications, ranging from general air conditioning systems to ultra-clean environments in semiconductor manufacturing.

Key features of the product include:

High Filtration Efficiency: The material achieves filtration efficiencies ranging from 60% to 99.9999%, depending on the series.
Low Air Resistance: The design minimizes pressure drop, ensuring energy-efficient operation.
Excellent Mechanical Strength: The paper maintains high tensile strength (up to 1200 N/m) and stiffness (≥ 1000 mg) to withstand rigorous use.
Customizable Grades: Available in F6–F9 (ASHRAE), H10–H14 (HEPA), and U15–U17 (ULPA), catering to diverse filtration needs.

Technical Specifications and Performance Metrics

The following table summarizes the technical specifications of the Fiberglass Air Filter Paper across different series and 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 Industry Use Cases

The versatility of Fiberglass Air Filter Paper makes it suitable for a wide range of applications. Below are some key use cases:

Residential and Commercial HVAC Systems: The ASHRAE series (F6–F9) is ideal for home air conditioners, room air purifiers, and vacuum exhaust filters, ensuring clean air in everyday environments.
Industrial and High-Precision Environments: The HEPA series (H10–H14) is used in 10,000–100,000-grade cleanrooms, nuclear air exhaust systems, and high-end vacuum cleaners. It is also critical for pharmaceutical processing and microelectronic component manufacturing
Ultra-Clean Environments: The ULPA series (U15–U17) is designed for chip factories and 100–1-grade cleanrooms, where particle removal is paramount. These filters are essential in semiconductor fabrication and biotechnology research

Company Background: Hebei Fangyu Filters Material Technology Co., Ltd.

Hebei Fangyu Filters Material Technology Co., Ltd. is a leading manufacturer of high-performance air filter materials, specializing in glass microfiber wool and fiberglass filter paper. With a focus on innovation and quality, the company has established itself as a trusted supplier for industries requiring precision filtration solutions

Founded with a commitment to sustainability and technological advancement, Hebei Fangyu adheres to international standards such as EN779/ISO16890. Their products are designed to meet the evolving needs of cleanroom technology, air purification, and industrial filtration. The company's dedication to research and development ensures that its products remain at the forefront of air filtration innovation

Why Choose Hebei Fangyu?

Several factors set Hebei Fangyu Filters Material Technology Co., Ltd. apart in the air filtration industry:

Advanced Production Technology: The wet-forming method ensures even fiber distribution, enhancing dust-hold capacity and low resistance.
Comprehensive Product Range: From ASHRAE to ULPA filters, the company offers customizable solutions for diverse applications.
Quality Assurance: Rigorous testing and adherence to international standards guarantee consistent performance and reliability

Authoritative References and Industry Standards

The National Institute of Standards and Technology (NIST) plays a pivotal role in establishing standards for air filtration and measurement. According to NIST's research on air quality and filtration technologies, the efficiency and durability of air filter materials are critical in protecting public health and ensuring industrial safety. For instance, NIST's work on particle measurement standards (NIST Technical Report 1838) highlights the importance of accurate filtration efficiency testing, which aligns with the HEPA and ULPA standards used by Hebei Fangyu.

As stated in the NIST Handbook 130, "Accurate measurement of air filtration efficiency is essential for compliance with health and safety regulations. The use of high-efficiency filters like HEPA and ULPA is mandated in critical environments such as cleanrooms and medical facilities."

Conclusion: A Reliable Solution for Modern Filtration Needs

The Fiberglass Air Filter Paper from Hebei Fangyu Filters Material Technology Co., Ltd. exemplifies precision engineering and innovative design. With its exceptional filtration efficiency, low air resistance, and customizable grades, it is a versatile solution for residential, industrial, and high-precision applications. The company's commitment to quality and compliance ensures that its products meet the highest standards in the air filtration industry.

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References

1. National Institute of Standards and Technology (NIST). (n.d.). Air Quality and Filtration Standards. Retrieved from

2. NIST Technical Report 1838. (2023). Particle Measurement Standards for Air Filtration. Gaithersburg, MD: NIST Publications.

3. NIST Handbook 130. (2022). Measurement and Testing for Air Filtration Efficiency. Gaithersburg, MD: NIST Publications.

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Fiberglass Air Filter Paper - Hebei Fangyu | High Efficiency, Low Resistance

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