Product Description
PET Spunbond Nonwoven Air Filter Media is a high-performance synthetic filtration material engineered for HVAC and AHU pre-filtration stages.
This media is produced using a continuous filament spunbond process, which creates a uniform web structure without the use of binders or chemical adhesives. The result is a clean, consistent, and thermally bonded fabric that offers excellent mechanical strength and dimensional stability.
This polyester-based media provides a balanced combination of filtration efficiency and airflow permeability, making it an ideal choice for systems requiring low initial pressure drop and extended maintenance intervals. Its inherent resistance to moisture, mildew, and moderate temperatures ensures reliable operation in diverse environmental conditions.
| Filter class | F5-F7 | F7-F9 | F9-H11 | H12 | H13 | H14 |
| Efficiency(≥%） | 65 | 85 | 95 | 99.5 | 99.97 | 99.997 |
| Resistance(Pa) | 5 | 10 | 12 | 25 | 35 | 50 |
Basic weight (g/㎡) | 65 | 70 | 70 | 70 | 80 | 100 |
| Color | White | White | White | White | White | White |
| Width(m) | 1.6/1.5 | 1.6/1.5 | 1.6/1.5 | 1.6/1.5 | 1.6/1.5 | 1.6/1.5 |
Product Features
PET Spunbond Nonwoven Air Filter Media delivers remarkable performance advantages for modern air handling systems.
High Dust-Holding Capacity – The three-dimensional fiber network traps particles throughout the media depth, not just on the surface, significantly extending filter life and reducing change-out frequency.
Low Initial Resistance – Optimized porosity ensures minimal pressure drop at start, which lowers fan energy consumption and reduces overall operating costs for HVAC systems.
Excellent Mechanical Strength – Continuous filament construction provides high tear and tensile strength, allowing the media to withstand high air velocities and turbulent airflow without deformation.
Moisture and Chemical Resistance – PET fibers resist hydrolysis and degradation from humidity, mild acids, and alkalis, ensuring stable performance in challenging indoor or outdoor environments.
Thermal Bonding Integrity – The spunbond process produces a binder-free structure that eliminates off-gassing and maintains fiber integrity even at elevated temperatures up to 120°C.
Consistent Filtration Performance – Uniform fiber distribution guarantees reliable efficiency across the entire roll, reducing the risk of bypass leaks and ensuring stable indoor air quality.
Product Applications
PET Spunbond Nonwoven Air Filter Media is widely adopted across multiple sectors requiring cost-effective air cleaning solutions.
Commercial Building HVAC Systems – Used as primary pre-filtration in office towers, shopping malls, and hotels to protect downstream high-efficiency filters from coarse dust and lint, reducing maintenance costs and system downtime.
Industrial AHU Units – Applied in manufacturing plants, warehouses, and cleanroom support systems where large air volumes require durable pre-filter media that can handle heavy particulate loads.
Residential Ventilation Equipment – Integrated into home air purifiers and heat recovery ventilators (HRVs) to capture pollen, pet dander, and household dust, providing cleaner indoor air for occupants with minimal noise and energy penalty.
Agricultural and Livestock Facilities – Employed in greenhouse and poultry house ventilation to remove airborne dust, mold spores, and feed particles, creating a healthier environment for plants and animals while protecting fan and heat exchanger components.
