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Help CenterPTFE Coated Filter Cloth for Desulfurization, 25 Micron, Anti-Corrosion, 200°C Continuous Duty
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As a leading manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory proudly presents our PTFE Coated Filter Cloth for Desulfurization. Engineered for demanding flue gas desulfurization (FGD) environments, this 25 micron filter cloth combines exceptional anti-corrosion properties with the ability to withstand continuous operation at 200°C. Our factory-direct production ensures strict quality control, competitive pricing, and reliable supply for global markets including North America, Europe, and Southeast Asia.
This filter cloth is specifically designed to remove fine particulate matter from acidic and high-temperature gas streams in desulfurization processes. The PTFE (polytetrafluoroethylene) coating provides a non-stick, chemically inert surface that resists clogging and extends service life. Whether used in bag filters, dust collectors, or liquid-solid separation, our product delivers consistent performance and low maintenance costs.
Key Features & Technical Specifications
- PTFE Coating: Provides outstanding resistance to sulfuric acid, hydrochloric acid, and other corrosive chemicals commonly found in desulfurization systems.
- 25 Micron Filtration Precision: Captures fine particles as small as 25 microns, ensuring high efficiency in gas cleaning.
- 200°C Continuous Duty: Maintains structural integrity and filtration performance at elevated temperatures, suitable for most FGD processes.
- Anti-Corrosion & Anti-Aging: The PTFE layer prevents degradation from moisture, acid dew point, and thermal cycling, dramatically extending filter life.
- Low Friction Surface: Facilitates easy cake release and reduces pressure drop, lowering energy consumption for fan systems.
- Customizable Dimensions: Available in various widths, lengths, and shapes (round, square, or custom bags) to fit different filter housings.
| Parameter | Value |
| Filtration Micron | 25 μm |
| Continuous Operating Temperature | 200°C (392°F) |
| Peak Temperature (short-term) | 230°C (446°F) |
| Tensile Strength (Warp) | ≥ 800 N/5cm |
| Tensile Strength (Weft) | ≥ 700 N/5cm |
| Air Permeability | 80–150 L/dm²·min (customizable) |
| Surface Finish | Smooth PTFE coating, singed optional |
| Weight | 500–700 g/m² (typical) |
Benefits for Your Desulfurization Process
- Reduced Downtime: The anti-corrosion properties minimize filter degradation caused by acid condensation, so you replace filters less frequently.
- Lower Energy Costs: The smooth PTFE surface reduces pressure drop, allowing fans to operate more efficiently.
- Improved Emission Compliance: With 25 micron filtration, dust emissions can be consistently kept below regulatory limits.
- Versatile Applications: Suitable for both wet and semi-dry desulfurization systems, as well as other corrosive gas filtration (e.g., incineration, chemical processing).
- Easy Maintenance: The non-stick surface allows thorough cleaning via pulse-jet backwashing or water washing, restoring filtration performance.
Our PTFE Coated Filter Cloth is produced using advanced weaving and coating technology at our facility in Hengshui, Hebei. With an annual export value exceeding US$5 million, we serve customers across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery worldwide.
Contact us today to request samples, discuss customization, or place a trial order. Our experienced team can help you select the optimal filter cloth specification for your specific desulfurization process. Benefit from factory-direct pricing, rigorous quality control, and decades of wire mesh expertise since 1998.
Frequently Asked Questions
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Q: What is the expected service life of this filter cloth in a desulfurization application?
A: Service life depends on specific operating conditions such as temperature, acid concentration, and cleaning frequency. In typical wet FGD environments, the PTFE coated cloth can last 12–24 months or longer with proper maintenance. We recommend a trial to evaluate performance in your system. -
Q: Can this cloth be used for both liquid-solid and gas-solid filtration?
A: Yes, its design is suitable for both applications. However, for liquid filtration, please confirm the chemical compatibility and pressure requirements. Our technical team can advise on the best configuration. -
Q: How do I clean the filter cloth to restore its performance?
A: For pulse-jet bag filters, standard backwashing is effective. For heavily fouled cloth, water washing with mild detergent or acid cleaning (e.g., dilute hydrochloric acid) can be used, but avoid strong oxidizing agents that might damage the PTFE coating. -
Q: Is the PTFE coating applied on both sides or just one side?
A: By default, the coating is applied on the filtration side (dust-facing side). Double-sided coating is available upon request for enhanced chemical resistance in aggressive environments. -
Q: What is the maximum temperature for short-term spikes?
A: The cloth can withstand short-term spikes up to 230°C (446°F). However, continuous exposure above 200°C may reduce lifespan. We recommend maintaining steady operation within the rated temperature. -
Q: Can you provide custom sizes or pre-made filter bags?
A: Absolutely. We can supply roll goods, cut pieces, or fully sewn filter bags with grommets, snaps, or other fittings. Simply provide your dimensions and requirements. -
Q: How does this product compare to PTFE felt or membrane filter media?
A: Our woven filter cloth offers higher mechanical strength and dimensional stability compared to felt, while the PTFE coating provides similar chemical resistance to membrane media. It is often more cost-effective for high-temperature, abrasive applications. -
Q: Do you offer samples for testing before bulk order?
A: Yes, we provide free samples (courier cost may apply) of A4 size or small swatches. Customized samples can be made to match your exact specifications. Contact our sales team to arrange.
With over two decades of experience in wire mesh and filter cloth manufacturing, Anping County Boli Hardware Wiremesh Products Factory is your trusted partner for high-performance filtration solutions. Our proven track record of exporting to diverse markets, combined with dedicated customer support, ensures you receive the best value for your investment. Place your inquiry now and let us help you optimize your desulfurization process.
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