Fiberglass Fabrics Mesh Filter Bag

• Extreme Heat Endurance: Continuous operation at 260°C (500°F), peak resistance to 300°C (572°F) - outperforms synthetic bags.
• Precision Filtration: Custom pore sizes (5-200 μm) capture fine dust/fumes; >99.5% efficiency on PM2.5 particles.
• Chemical Immunity: Resists acids (H₂SO₄, HCl), alkalis (NaOH), solvents, and oxidizing agents.

• Zero Fiber Emission: Stabilized weave prevents fiber shedding into airflow (ISO 16890 certified).
• Low Pressure Drop: Optimized surface area maintains airflow with <15% increase over 500 operating hours.
• Fire Safety: Inherently non-combustible (ASTM E84 Class A / DIN 4102 A1).
• Easy Cleaning & Long Life: Pulse-jet cleanable; 2-3x lifespan vs. standard bags in cement/incineration plants.

• Cement & Lime Kilns: Capture kiln dust, alkali bypass fumes, and clinker cooler emissions.
• Waste Incineration: Filter heavy metals (Cd, Pb), dioxins, and fly ash in ESP/baghouses.
• Metal Smelting: Fume extraction in copper/lead/zinc refining, EAF steelmaking.
• Power Generation: Coal/biomass boiler baghouses, carbon black collection.
• Chemical Processing: Catalyst recovery, powder handling, reactor vent filtration.
• Ceramics & Glass: Batch plant dust control, furnace exhaust filtration.

1. Excellent High-Temperature Resistance: Fiberglass inherently exhibits outstanding high-temperature resistance (typically reaching continuous operating temperatures exceeding 260°C, with transient temperature resistance even higher). The soft-rigid composite design enables the product to maintain structural stability and filtration efficiency at high temperatures. This is particularly applicable in processes generating high-temperature flue gases, such as steel smelting, cement kiln inlets and outlets, and waste incineration.

2. Excellent Chemical Stability: Fiberglass exhibits excellent resistance to most acids, alkalis, and other corrosive chemicals (except hydrofluoric acid and high-temperature strong bases). Composite designs may further enhance corrosion resistance and anti-sticking properties through coatings or material combinations (such as PTFE treatment). Suitable for environments with acidic or alkaline corrosive gases, such as those found in chemical processing, flue gas desulfurization (FGD), and metallurgical industries.

3. Enhanced Mechanical Strength and Durability

• Hard components (such as woven glass fiber) provide high mechanical strength and wear resistance, resisting airflow erosion and dust abrasion.

• Soft components (such as non-woven glass fiber) may provide improved flexibility and flexural strength.

• Combining these two components extends overall service life and reduces replacement frequency. Suitable for applications with high dust concentrations and hard particles, such as mineral dust collection and metal grinding.

4. Efficient Filtration and Cleaning Performance

• High filtration accuracy and dust holding capacity can be achieved through gradient density designs (such as a hard surface layer for pre-filtration and a soft inner layer for fine filtration).

• A hard, smooth surface or special coating (such as PTFE membrane) reduces dust embedment, facilitates cleaning, and helps maintain low and stable operating resistance. Applications requiring the capture of submicron particles or requiring extremely low emission concentrations, such as incinerators and nuclear power plant ventilation, are subject to stringent environmental requirements.

5. Stable Dimension and Shape: Glass fiber exhibits minimal elongation and shrinkage, maintaining a stable shape and size. A soft-hard composite structure can further enhance the filter bag's fatigue resistance during pulse cleaning, preventing collapse or deformation. Pulse-cleaning bag filters require the filter bag to maintain a fixed shape to ensure effective filtration area and airflow distribution.

6. Structural Design and Functional Composites

• A soft-hard composite structure can achieve functional zoning, such as with the hard portion providing primary structural support and surface filtration, and the soft portion providing deep filtration.

• Multi-layer composite materials (such as glass fiber mixed with Fluorometalate, P84, or basalt fiber) may be used to achieve synergistic benefits. Flue gas treatment with complex components requires addressing multiple challenges, including high temperatures, corrosion, and high abrasiveness.

7. Optimized Economic Benefits

• Longer service life (high-quality glass fiber filter bags reportedly last 3-5 times longer than standard filter bags) means fewer replacements and less downtime.

• Stable, low operating resistance helps reduce system fan energy consumption.

• High filtration efficiency ensures compliant emissions and avoids environmental fines.