Product Overview
Air Filtration PET Nonwoven Fabric (also known as polyester air filter media) is a premium synthetic fiber material engineered specifically for high-efficiency air purification systems. Manufactured via advanced nonwoven technologies-including thermal bonding, needle punching, and hot air bonding-this media delivers exceptional particle capture, low mechanical resistance, and superior dimensional stability.
As a high-strength, cost-effective alternative to fiberglass, it is globally trusted as a primary (pre-filter) or secondary (medium-efficiency) layer in HVAC systems, cabin air filters, air purifiers, and industrial dust collection units.
Key Features & Advantages
High Dust Holding Capacity: The multi-layer depth filtration structure ensures extended service life and less frequent filter replacements.
Low Pressure Drop & High Permeability: Optimizes airflow, significantly reducing energy consumption in ventilation systems.
Excellent Mechanical Strength: High tensile and tear resistance, perfectly suited for high-speed automatic pleating and laminating processes.
Thermal & Moisture Resistance: Hydrophobic properties prevent fiber swelling or degradation in humid conditions; maintains its structure in environments up to 120 degrees Celsius.
Safe & Eco-Friendly: 100 percent fiber matrix with no chemical binders, completely fiber-shedding free and safer to handle than fiberglass.
Technical Specifications
|
Item |
Specification |
|
Material |
100% Polyester (PET) / Grade A Virgin Fibers |
|
Basis Weight |
20–200 g/m² (Customizable, ±5% weight tolerance) |
|
Thickness |
0.2–2.5 mm (Strict uniformity control across entire roll) |
|
Air Permeability |
80–3000 L/m²/s (Tested under ASTM D737 standard) |
|
Filtration Rating |
G2, G3, G4 / M5, M6 / F7, F8, F9 (Compliant with EN779 & ISO 16890 standards) |
|
Max Width |
Up to 3200 mm (Custom slitting available to fit pleating machines) |
|
Color Options |
White, Blue, Blue-White Layer, or Custom Colors |
|
Functional Treatments |
Anti-static / Flame Retardant / Hydrophobic (DIN 53438 F1 & UL 900 certifications available) |
Material Structure & Advanced Treatments
Fiber Composition: Premium virgin PET fibers, available in coarse denier for pre-filtration or ultra-fine microfibers for sub-HEPA efficiency.
Bonding Technology
- Thermal Bonded / Hot Air: Low resistance, high loft, excellent for depth filtration.
- Needle Punched: Extremely dense and rugged, ideal for industrial pulse-jet dust bags.
Functional Options (OEM/ODM)
- Flame Retardant (FR): Meets DIN 53438 F1 and UL 900 standards for strict fire-safety commercial ventilation projects.
- Anti-Static: Conductive fibers blended in to safely discharge static in industrial powder environments.
- Antibacterial / Anti-allergen: Coated to suppress mold and microbial growth in cabin air filters.
Main Applications
HVAC & Commercial Ventilation
Pleated panel filters, pocket/bag filters for commercial complexes, cleanrooms, and hospitals.
Automotive Clean Air
Premium media for Cabin Air Filters (Engineered to meet international automotive quality management standards).
Industrial Dust Control
Filter cartridges and collector bags for cement, steel, and chemical powder plants.
Consumer Appliances
Pre-filter wraps for household air purifiers, vacuum cleaners, and kitchen hoods.
Quality Control Assurance
We don't just supply fabrics; we guarantee filtration performance. Operating under strict ISO 9001:2015 quality management systems, our in-house laboratory tests every production lot before it leaves the loading dock. Our strict 5-step protocol includes:
Raw Material Inspection: Testing fiber melting point, fineness, and moisture content.
Online Thickness & Weight Monitoring: Automated laser scanners guarantee uniform fabric weight across the entire roll width.
Air Permeability & Resistance Test: Ensuring consistent pressure drop matching your exact system curve.
TSI 8130A Fractional Efficiency Testing: Verifying precise particle capture rates from G2 to F9 levels.
Roll Surface Inspection: Zero-tolerance policy for wrinkles, oil stains, or broken fibers.
Frequently Asked Questions
Q: Is your PET nonwoven fabric compatible with high-speed rotary pleating machines?
A: Yes. We adjust the stiffness and heat-setting tensile strength of the fabric specifically based on your machinery type (rotary or blade pleating). This ensures smooth pleating without cracking, wrinkling, or breaking during high-speed automated production.
Q: How does your PET media compare to fiberglass filter media?
A: PET nonwoven fabric is highly durable, flexible, and entirely fiber-shedding free, making it much safer for assembly workers and better for the environment. While fiberglass offers high efficiency, it is brittle, prone to breaking, and poses respiratory risks. PET serves as an excellent, cost-effective, and safe alternative for G2 to F9 efficiency levels.
Q: Can you provide multi-layer laminated media (e.g., PET plus Meltblown or Carbon)?
A: Absolutely. We offer advanced laminating services. We can bond our PET nonwoven substrate with meltblown layers (for higher filtration efficiency up to H11 or H13) or activated carbon layers (for odor and gas removal) using eco-friendly hot-melt adhesives.
Q: Do your materials comply with fire retardant certifications for commercial building ventilation?
A: Yes, our flame-retardant treated series fully complies with German standard DIN 53438 (F1 rating) and American standard UL 900. We can provide the corresponding factory test sheets with your batch order.
