High-Performance Industrial Dust Collector Filter Bags | Xiechang®
At Xiechang, we utilize advanced Japanese three-needle and six-thread sewing units specifically designed for high-precision filter bag production.1 Our manufacturing capabilities allow us to process a wide variety of shapes tailored to your specific technical requirements, including round, trapezoidal, flat, and custom-profiled filter bags.
Technical Specifications & Material Selection
We offer a comprehensive range of filter media to handle diverse industrial environments, from standard temperatures to extreme chemical exposure.
| Fiber Composition | Weight (g/m²) | Thickness (mm) | Max Running Temp | Peak Temp | Air Permeability (m³/m².s) |
| Polyester | 550 | 1.7-2.0 | 130°C | 150°C | 8-12 |
| Fiberglass | 750 | 2.0 | 250°C | 280°C | 8 |
| PTFE | 750-800 | 1.2-1.6 | 240°C | 260°C | 5-8 |
| FMS | 800 | 1.8-3.0 | 200°C | 280°C | 15 |
| P84 | 550 | 2.1 | 180°C | 260°C | 14 |
| PPS | 550 | 1.8-2.0 | 160°C | 190°C | 15 |
| Nomex | 450-600 | 1.9-2.4 | 200°C | 240°C | 8-12 |
Chemical Resistance Performance
| Material | Acid Resistance | Oxidation Resistance | Alkali Resistance | Hydrolysis Resistance |
| PTFE | Excellent | Excellent | Excellent | Excellent |
| PPS | Excellent | Excellent | Excellent | Excellent |
| P84 | Excellent | Excellent | Excellent | Excellent |
| Nomex | Fair | Fair | Good | Fair |
| Fiberglass | Fair | Good | Poor | Poor |
Custom Design & Construction Options
Our filter bags are engineered for durability and easy installation, featuring various top and bottom configurations to fit any baghouse system.
1. Versatile Top Designs
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Top Load: Available with snap band/ring or double-beaded gaskets for a leak-proof seal.
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Side Load: Raw edge top (extended 3″ beyond split collar cage length) for secure fitment.
2. Reinforced Bottom Construction
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Single-ply: Standard felted disc bottom.
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Double-ply Wearguard: 3″ reinforced bottom for heavy-duty applications.2
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Extended Wear Cuff: 5″ cuff with a 2″ overhang below the disc for maximum abrasion resistance.
3. Standard Sizes
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Diameters: Φ4″, 5″, 5.25″, 6″, 6.62″
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Lengths: Fully customizable from 18″ up to 192″.
Industry Applications
Xiechang filter bags provide reliable dust treatment and particle removal across multiple sectors:
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Metallurgy & Smelting: Flue gas treatment and fine particle collection.
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Power & Energy: Filtration for waste incineration, coal-fired boilers, and power plants.
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Construction Materials: Ideal for asphalt concrete mixing, cement production, and ceramics.
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Specialized Processing: Dust purification for electronics, mining, flour milling, and timber processing.
Why Choose Xiechang Filter Bags?
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Precision Sewing: Specialized Japanese equipment ensures leak-proof seams and high tensile strength.
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Advanced Finishes: Options include singeing, calendering, heat-setting, PTFE membrane, and water/oil repellent treatments.
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Expert Support: We help you select the right fiber (PPS, P84, Nomex, etc.) based on your specific temperature and chemical needs.



