As a trusted composite bag filter media manufacturer, we deliver high-performance filtration solutions engineered for demanding industrial environments. Our composite bag filter media is a multi-layered nonwoven fabric designed specifically for baghouse dust collectors and pulse-jet filtration systems. By combining advanced synthetic fibers such as polyester (PES), polypropylene (PP), aramid, and fluoropolymers like PTFE, we create a robust media that achieves exceptional dust capture efficiency while maintaining low differential pressure over extended service life.
Unlike traditional single-layer felts, our composite structure incorporates a base support layer for mechanical strength, a fine filtration layer for submicron particle removal, and a PTFE membrane or scrim for enhanced release properties. This innovative design ensures filtration efficiencies exceeding 99.99% for PM2.5 and PM10 particulates, making it ideal for compliance with stringent environmental regulations such as EPA standards and EU ATEX directives. As an experienced composite bag filter media manufacturer, we customize media compositions to match specific operating conditions, including high temperatures up to 260°C, corrosive gases, and abrasive dust loads.
Our production process utilizes state-of-the-art needle-punching, calendering, and coating technologies to guarantee uniform fiber distribution and superior pleatability. This results in filter bags that resist blinding, minimize downtime, and extend operational cycles by up to 50% compared to conventional media. Whether for new installations or retrofits, our composite bag filter media provides reliable performance across global industries, backed by rigorous in-house testing for air permeability, tensile strength, and burst resistance.

Below is a comprehensive table outlining the standard technical specifications of our composite bag filter media. As a professional composite bag filter media manufacturer, we offer variations to meet precise project requirements.
| Property | Standard Grade | High-Temp Grade | Membrane Grade | Test Method |
|---|---|---|---|---|
| Material Composition | PES + PP Composite | Aramid + PTFE | PES + ePTFE Membrane | - |
| Weight (gsm) | 500-650 | 550-700 | 600-750 | ISO 9073-1 |
| Thickness (mm) | 2.0-2.5 | 2.2-2.8 | 2.0-2.4 | ISO 9073-2 |
| Air Permeability (L/m²/s @ 200Pa) | 200-300 | 180-280 | 120-250 | ISO 9073-13 |
| Tensile Strength (N/5cm) | MD: 1200 / CD: 1500 | MD: 1400 / CD: 1700 | MD: 1300 / CD: 1600 | ISO 9073-3 |
| Elongation at Break (%) | MD: 20-30 / CD: 30-40 | MD: 25-35 / CD: 35-45 | MD: 15-25 / CD: 25-35 | ISO 9073-3 |
| Burst Strength (kPa) | >300 | >350 | >400 | ISO 9073-6 |
| Max Operating Temp (°C) | Continuous: 150 / Peak: 200 | Continuous: 200 / Peak: 240 | Continuous: 180 / Peak: 220 | - |
| Filtration Efficiency (%) | >99.5 (5μm) | >99.7 (5μm) | >99.99 (0.3μm) | ISO 29463 |
| MERV Rating | 13-14 | 14-15 | 16-17 | ASHRAE 52.2 |
Our composite bag filter media excels in diverse industrial applications where reliable air pollution control is paramount. As a dedicated composite bag filter media manufacturer, we have supplied media for baghouses in cement plants worldwide, capturing fine kiln dust and ensuring emissions below 10 mg/Nm³. In the steel and metallurgy sector, our abrasion-resistant grades handle high-velocity ferrous dusts from sintering and electric arc furnaces, maintaining filter velocity up to 1.5 m/min without excessive wear.
Power generation facilities benefit from our high-temperature composites in coal-fired boilers and biomass combustion systems, where they withstand flue gas temperatures and acidic condensates. Chemical processing plants rely on our chemically treated media for filtering catalyst dusts, resins, and pigments, preventing cross-contamination and product loss. In woodworking and food processing, antistatic and food-grade options eliminate explosion risks and meet hygiene standards like FDA compliance.
Additionally, our media is proven in mining operations for silica and coal dust suppression, asphalt mixing plants for bitumen fumes, and pharmaceutical cleanrooms for HEPA-level purity. Pulse-jet, shaker, and reverse-air cleaning systems all perform optimally with our versatile composites, reducing compressed air usage and extending bag life to 24-36 months in typical scenarios.
Choosing our composite bag filter media offers distinct advantages over competitors. The multi-layer architecture provides superior gradient filtration, trapping coarse particles in the outer layers while finer media captures submicron aerosols, resulting in higher dust-holding capacity (up to 8-10 kg/m²) and reduced cleaning frequency. This translates to lower operational costs and energy savings, critical for large-scale baghouses processing 100,000+ Nm³/h.
As an authoritative composite bag filter media manufacturer, we employ proprietary singeing and glazing processes to create a smooth, non-stick surface that prevents dust bridging and enhances cake release during pulses. Our media demonstrates 20-40% longer service life in field tests, even under high dust burdens of 50-100 g/Nm³. Environmental benefits include lower emissions and recyclability, aligning with circular economy principles.
Furthermore, precise control over fiber blending ensures consistent performance batch-to-batch, eliminating variability common in imported generics. Custom coatings like acrylic, Ryton, or fluorochemicals tailor resistance to moisture, oils, or hydrolysis, outperforming standard felts in humid or oily exhausts.
As a premier composite bag filter media manufacturer with over 20 years in the filtration industry, we stand out through unwavering commitment to quality and innovation. Our state-of-the-art facility spans 50,000 m², equipped with automated needle looms, lamination lines, and online quality monitors producing 10 million m² annually. We hold certifications including ISO 9001:2015, ISO 14001:2015, and OHSAS 18001, ensuring every roll meets global benchmarks.
Our R&D team collaborates with clients to develop bespoke solutions, such as nanofiber-enhanced media for ultrafine particulates or conductive threads for ATEX zones. We serve Fortune 500 clients across 50+ countries, delivering just-in-time shipments with full traceability via batch coding and test reports. Rigorous quality controls—including 100% visual inspection and AQL sampling—guarantee zero defects.
What sets us apart is our holistic approach: from raw material sourcing (virgin fibers only) to final packaging in moisture-proof rolls. We provide technical support, including CFD modeling for baghouse optimization and on-site audits, empowering customers to maximize ROI. Partner with us for filtration media that performs reliably, every time.
Q: What makes composite bag filter media superior to single-layer felt?
A: Composite media features layered structures for progressive filtration, offering higher efficiency, better dust release, and extended life—key strengths from your composite bag filter media manufacturer.
Q: Can your media handle high-temperature applications?
A: Yes, our aramid and PTFE composites operate continuously at 200°C+, with peak tolerance to 260°C, ideal for kilns and boilers.
Q: Is customization available for specific dust types?
A: Absolutely. We tailor fiber blends, coatings, and weights for abrasive, hygroscopic, or explosive dusts.
Q: What is the typical lead time for orders?
A: Standard grades ship in 2-4 weeks; custom specs in 4-6 weeks, with expedited options.
Q: Do you provide test data or samples?
A: Yes, full test reports per ISO/ASTM standards accompany shipments; free samples available for evaluation.
Q: How does your media comply with emissions regulations?
A: Designs achieve <5 mg/Nm³ emissions, compliant with EU MCD, US NESHAP, and China GB standards.
Q: What cleaning methods are compatible?
A: Optimized for pulse-jet (most common), shaker, and reverse-air systems with minimal media stress.