High-Temperature PTFE Filter Bags with Superior Chemical and Thermal Resistance
Xiechang leverages advanced Japanese precision engineering with our imported three-needle and six-thread sewing units. This specialized technology ensures superior seam strength and airtight integrity for every filter bag we produce. Whether your system requires round, trapezoidal, flat, or custom-profiled shapes, our manufacturing process is fully adaptable to your specific operational needs.
Optimized Material Specifications
We provide a diverse range of high-performance filter media, engineered to withstand extreme temperatures and corrosive environments.
| Fiber Material | Operating Temp (°C) | Peak Temp (°C) | Air Permeability (m³/m².s) | Key Features |
| PPS | 160 | 190 | 15 | Outstanding acid/alkali & hydrolysis resistance |
| PTFE | 240 | 260 | 5-8 | Ultimate chemical inertness & thermal stability |
| P84 | 180 | 260 | 14 | Excellent filtration for complex gas streams |
| Fiberglass | 250 | 280 | 8 | High-temperature capacity for heavy industrial use |
| Nomex | 200 | 240 | 8-12 | Reliable thermal resistance for varied applications |
| FMS | 200 | 280 | 15 | Enhanced composite material for durability |
| Polyester | 130 | 150 | 8-12 | Cost-effective solution for standard temperatures |
Precision Construction & Custom Fit
Our filter bags are designed for seamless integration into any baghouse system, with customizable dimensions and reinforced structural options:
-
Standard Diameters: Available in Φ4”, 5”, 5.25”, 6”, and 6.62”.
-
Custom Lengths: Tailored sizing ranging from 18” up to 192”.
-
Top Interface Designs: Choose between Top Load (Snap band, ring, or double-beaded) or Side Load (Raw edge top with 3″ extension for split collar cages).
-
Reinforced Bottoms: Options include single-ply felted discs, 3″ double-ply wearguards, or 5″ wear cuffs with a 2″ overhang for maximum abrasion resistance.
Professional Surface Treatments
To maximize dust release and extend service life, we offer specialized mechanical and chemical finishes:
-
Mechanical: Singeing, calendaring, and heat-setting.
-
Chemical: PTFE membrane lamination, water and oil repellent coatings, and PTFE dipping.
Diverse Industrial Applications
Xiechang filter bags are the trusted choice for demanding filtration tasks across global industries:
-
Energy & Power: Flue gas filtration for coal-fired boilers, power plants, and waste incineration.
-
Metallurgy: Particle removal and gas treatment in smelting and metal processing plants.
-
Construction Materials: High-efficiency dust collection for cement, asphalt mixing, and ceramics.
-
Specialized Manufacturing: Essential for mining, timber processing, flour milling, and electronics.
