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

Sep . 15, 2025

Introduction to Fiberglass Air Filter Paper

Fiberglass air filter paper has become a cornerstone in modern air filtration systems, offering unparalleled efficiency and durability. Manufactured from glass microfiber wool through a wet-forming process, this material is engineered to provide high dust-hold capacity, low resistance, and high strength. These characteristics make it an ideal choice for a wide range of applications, from residential air conditioning systems to high-precision industrial environments.

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

Product Overview: Key Features and Benefits

The fiberglass air filter paper is designed to meet the demands of both commercial and industrial air filtration. Its unique properties include:

Well-Distributed Fibers: The wet-forming method ensures uniform fiber distribution, enhancing filtration efficiency and reducing pressure drop.
High Dust-Hold Capacity: This material can trap and retain a significant amount of particulate matter, extending the lifespan of the filter.
Low Air Resistance: The optimized structure minimizes airflow resistance, ensuring energy efficiency and improved system performance.
High Strength: The robust construction withstands high-pressure environments, making it suitable for demanding applications.

These features are particularly valuable in environments where air quality is critical, such as pharmaceutical manufacturing, semiconductor production, and cleanroom facilities. The fiberglass filter paper is available in three main series—ASHRAE, HEPA, and ULPA—each tailored to specific filtration requirements.

Technical Specifications: A Detailed Overview

The fiberglass air filter paper is categorized into three primary series—ASHRAE, HEPA, and ULPA—each with distinct performance metrics. Below is a comprehensive table summarizing the technical specifications for each classification:

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

The table above highlights the performance differences between the ASHRAE, HEPA, and ULPA series. For instance, the HEPA filter paper (FY-H14) achieves an efficiency of 99.995%, making it suitable for high-grade cleanrooms, while the ULPA filter paper (FY-U17) offers an even higher efficiency of 99.9999%, ideal for semiconductor manufacturing.

Applications Across Industries

The versatility of fiberglass air filter paper makes it indispensable in various sectors. Here are some key applications:

Residential and Commercial HVAC Systems: ASHRAE-grade filters are commonly used in ordinary air-conditioning systems, gas turbine air intakes, and compressors.
High-Efficiency Filtration: HEPA filters (FY-H10 to FY-H14) are employed in 10,000 to 100,000-grade cleanrooms, nuclear air exhaust equipment, and high-end vacuum cleaners.
Ultra-Low Penetration Air (ULPA) Filters: ULPA-grade filters (FY-U15 to FY-U17) are critical in semiconductor manufacturing, where 100, 10, or even 1-grade cleanrooms are required.
Industrial and Specialized Applications: The material is also used in photographic film manufacturing, microelectronic component assembly, paint spray booths, and pharmaceutical processing.

For example, in the pharmaceutical industry, the fiberglass filter paper ensures contamination-free environments, while in microelectronics, it safeguards sensitive components from particulate matter.

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. With a commitment to quality and innovation, the company has established itself as a trusted supplier in the global market.

Hebei Fangyu's products are designed to meet international standards, including EN779/ISO16890, ensuring reliability and performance. The company's state-of-the-art production facilities and rigorous quality control processes guarantee that each batch of fiberglass air filter paper meets the highest industry benchmarks.

For more information about Hebei Fangyu's HEPA filter paper manufacturers and their fiberglass filter paper solutions, visit their official website.

Conclusion: The Future of Air Filtration

The fiberglass air filter paper represents a significant advancement in air filtration technology. Its combination of high efficiency, durability, and adaptability makes it a preferred choice across diverse industries. As the demand for cleaner air and stricter environmental regulations grow, the role of advanced filtration materials like fiberglass filter paper will only become more critical.

By leveraging the expertise of companies like Hebei Fangyu Filters Material Technology Co., Ltd., industries can ensure optimal air quality and compliance with evolving standards. Whether in residential, commercial, or industrial settings, the fiberglass air filter paper continues to set new benchmarks for performance and reliability.

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