Product Overview
High Efficiency Glass Fiber Bag Media is a premium filtration material specifically engineered to achieve elevated particle capture rates in demanding commercial and institutional air handling applications. This media is manufactured using a specialized melt-blown process that produces ultra-fine glass fibers with diameters in the submicron range, creating a dense yet highly porous nonwoven structure. The resulting filtration medium operates through a combination of diffusion, interception, and inertial impaction mechanisms, enabling it to capture sub-micron particles that conventional media cannot effectively remove.
The production process involves precise control of fiber diameter distribution and web formation parameters. This level of manufacturing precision ensures consistent filter performance across each production batch. The media is typically bonded with a chemically stable resin system that maintains fiber orientation and structural integrity during high-velocity airflow operation. A lightweight chemical fiber scrim applied to the upstream surface provides pre-filtration of larger particles, reducing the surface loading on the high-efficiency layer and extending overall service life.
EfficiencyGrade (EN779:2012) | M5 | M6 | F7 | F8 | F9 |
@14cm/s，0.4μm | 30±10% | 35±10% | 55±10% | 75±10% | 85±10% |
Pressure Drop @14 cm/s | ≤35Pa | ≤45Pa | ≤70Pa | ≤110Pa | ≤140Pa |
| Basis Weight | 80±5g/㎡ | 80±5g/㎡ | 75±5g/㎡ | 80±5g/㎡ | 80±5g/㎡ |
Thickness @500 Pa | 4.0±1.0mm | 4.0±1.0mm | 3.0±1.0mm | 3.0±1.0mm | 3.0±1.0mm |
Colour (Customizable) | Dark Yellow | Orange | Light Purple | Light Yellow | Light Yellow |
| Width | 695 mm, or customized according to customer requirements. | ||||
Product Features
High Efficiency Glass Fiber Bag Media delivers a comprehensive set of performance benefits:
Superior Filtration Efficiency – The ultra-fine fiber structure enables the media to achieve MERV 9 to MERV 16 ratings per ASHRAE Standard 52.2, capturing particles as small as 0.4 microns with minimum composite efficiency exceeding 90% at MERV 14 level.
Low Initial Resistance – Despite its high efficiency, the media maintains remarkably low initial pressure drop, typically between 35-140 Pa at 14cm/s face velocity, contributing to sustained fan energy savings.
Stable Performance Over Time – The depth-loading fiber configuration ensures that efficiency remains consistent throughout the service life, unlike surface-loading media that experience efficiency degradation as dust accumulates.
High Quality Construction – Precision-controlled fiber diameter and web formation produce consistent, reliable media performance across all production batches, ensuring predictable filtration outcomes.
Versatile Application Suitability – The media's efficiency profile makes it suitable for both final filtration in commercial HVAC systems and pre-filtration in cleanroom environments where fiberglass filtration material is required.
Conical Bag Compatibility – The media can be fabricated into conical bag configurations that maintain pocket separation and maximize usable filtration area under high-velocity airflow.
Product Applications
High Efficiency Glass Fiber Bag Media is deployed in environments where air quality standards are stringent:
Healthcare Facilities – Hospitals and clinics rely on this media to capture bacteria-carrying particles and fungal spores in operating rooms, isolation wards, and laboratories, supporting infection control protocols. The high efficiency HVAC filter media ensures patient and staff protection while maintaining required airflow volumes.
Data Centers and Electronics Manufacturing – Sensitive electronic equipment requires sub-micron particle removal to prevent component failure and manufacturing defects. This media provides critical protection for cooling systems and cleanroom pre-filtration where MERV 14 glass fiber media is frequently specified.
Pharmaceutical Production – Drug manufacturing facilities require exceptional air purity. This media supports compliance with GMP standards by capturing airborne contaminants that could compromise product quality.
Commercial Office Buildings – Premium office buildings use this media to maintain LEED-certified indoor air quality, creating healthier work environments that support occupant productivity and well-being.
Government and Institutional Facilities – Courthouses, laboratories, and research centers depend on this media's reliable high-efficiency performance for occupant protection and equipment integrity.
