Polyphenylene Sulfide (PPS) Filter Bags
Polyphenylene Sulfide (PPS) filter bags are widely used in industrial dust collection systems operating under high temperature, high humidity, and sulfur-containing flue gas conditions. They are particularly suitable for coal-fired boilers, waste incineration plants, and power generation facilities where acid gas resistance and hydrolysis resistance are critical.
Compared with conventional high-temperature filter media, PPS filter bags provide stable chemical resistance, reliable dimensional stability, and long-term filtration performance under demanding industrial operating conditions.
Key Benefits: Excellent acid gas resistance, superior hydrolysis resistance, stable dimensional performance, and cost-effective filtration solutions for harsh industrial environments.
Main Advantages
Excellent Acid Gas Resistance
PPS fiber performs exceptionally well in sulfur oxide and acidic flue gas environments commonly found in coal combustion systems.
Good Hydrolysis Resistance
Maintains stable performance under high humidity conditions where many conventional filter materials experience degradation.
Stable High Temperature Performance
Suitable for continuous operation in medium-to-high temperature industrial exhaust systems.
Good Dimensional Stability
Maintains structural stability during long-term operation, helping improve sealing performance and reduce dust leakage.
Long Service Life
Provides reliable long-term filtration performance in industrial boiler and combustion systems under proper operating conditions.
Cost-Effective Solution
Offers excellent chemical resistance at a lower material cost compared with PTFE filter media.
Technical Specifications
| Item | Technical Data |
|---|---|
| Material | Polyphenylene Sulfide Fiber Needle Felt |
| Weight | 500–550 g/m² |
| Thickness | 1.8–2.2 mm |
| Continuous Operating Temperature | 190°C |
| Instant Maximum Temperature | 220°C |
| Air Permeability | 8–14 m³/m²/min |
| Acid Resistance | Excellent |
| Alkali Resistance | Good |
| Hydrolysis Resistance | Excellent |
| Oxidation Resistance | Moderate |
| Surface Treatment | Heat Setting / Calendaring / Membrane Lamination / Water & Oil Repellent Treatment |
Typical Industrial Applications
Power Generation Industry
- Coal-Fired Boiler Baghouse Systems
- Biomass Boiler Exhaust Systems
- Sulfur-Containing Flue Gas Filtration
Waste Incineration Industry
- Municipal Waste Incineration Filtration
- Hazardous Waste Combustion Systems
- Acid Gas & Fine Dust Filtration
Cement Industry
- Coal Mill Dust Collection
- Kiln Tail Dust Collection
- Sulfur & Moisture Handling Applications
Important Operating Notes
Best Operating Conditions
- Stable operating temperatures
- High humidity environments
- Sulfur-containing flue gas conditions
- Medium-to-high temperature filtration systems
For applications involving extremely corrosive flue gas, strong oxidizing environments, or ultra-high operating temperatures, PTFE filter bags are generally recommended for longer service life and more stable filtration performance.
