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Help CenterPTFE Coated Filter Cloth 0.5μm 260°C High Temperature for Desulfurization Scrubber System
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer since 1998 with annual export value exceeding US$5 Million. Our PTFE Coated Filter Cloth 0.5μm 260°C High Temperature is engineered specifically for demanding desulfurization scrubber systems. This advanced filtration media combines a robust synthetic substrate with a premium PTFE (Polytetrafluoroethylene) coating, delivering exceptional chemical resistance, thermal stability, and precise particle capture down to 0.5 microns. Whether you're upgrading existing scrubber bags or designing a new emission control system, our filter cloth offers a reliable solution to meet stringent environmental regulations.
The core advantage of our PTFE coated filter cloth lies in its high-temperature resistance up to 260°C (500°F) continuous operation, with peak surges up to 280°C. This thermal endurance makes it ideal for hot flue gas filtration in coal-fired power plants, cement kilns, steel mills, and chemical processing units. The PTFE coating not only extends the fabric's lifespan by protecting against acid dew point corrosion, but also ensures easy cake release and low pressure drop, optimizing energy consumption. Each roll is manufactured under strict quality control at our factory in Hengshui, Hebei, China, with flexible shipping options from Tianjin, Qingdao, Shanghai, and Foshan ports.
Below are the key technical specifications and performance parameters:
| Filtration Grade | 0.5 μm (filtration efficiency ≥ 99.9% for particles > 0.5 μm) |
| Continuous Operating Temperature | 260°C (max 280°C for short periods) |
| Base Fabric Material | Polyester / Nomex / PPS (optional, subject to your requirement) |
| PTFE Coating Thickness | 10 – 30 μm (customizable) |
| Weight Range | 300 – 500 g/m² (available upon request) |
| Width | 1.0 – 2.5 m (custom sizes accepted) |
| Finish | Smooth PTFE coated surface for easy dust release |
| Chemical Resistance | Excellent against acids, alkalis, and organic solvents |
Key Features and Benefits:
- High Filtration Precision: Captures fine particles down to 0.5 μm, ensuring clean gas emissions and compliance with environmental standards.
- Thermal Stability: Withstands continuous temperatures of 260°C, making it suitable for desulfurization scrubber systems operating at high temperatures.
- PTFE Coating Advantage: The non-stick surface prevents particle adhesion, reducing cleaning frequency and extending fabric life.
- Low Pressure Drop: Optimized pore structure minimizes resistance, saving energy on fan power.
- Chemical Resistance: Resists corrosive gases like SO₂, H₂S, and HCl commonly found in flue gas desulfurization processes.
- Customizable Dimensions: Available in various widths, lengths, and roll lengths to fit different baghouse or filter press designs.
- Durable Construction: Base fabric with high tensile strength and resistance to abrasion, ensuring long service life.
- Easy Installation: Can be cut, sewn, or welded into filter bags, sleeves, or sheets per your specifications.
Applications in Desulfurization Scrubber Systems:
- Wet limestone – gypsum flue gas desulfurization (FGD) systems
- Dry and semi-dry desulfurization scrubbers
- Ammonia-based desulfurization processes
- Spray dryer absorber (SDA) systems
- Fluidized bed desulfurization units
- Baghouse pre-filters for high-temperature gas streams
Our PTFE coated filter cloth has been successfully deployed in power plants, cement plants, steel mills, chemical factories, and waste incineration plants across global markets including North America, South America, Europe, Southeast Asia, Africa, and Oceania. With a factory established in 1998 and annual export value of US$5-10 million, we have the capacity and expertise to deliver consistent quality. We ship from multiple ports (Tianjin, Qingdao, Shanghai, Foshan) to ensure timely delivery.
Trust and Reliability: Our factory is equipped with modern weaving, coating, and testing equipment. We perform strict quality checks on each batch, including filtration efficiency, air permeability, bursting strength, and thermal resistance tests. We have served clients in over 20 countries and regions, with many repeat orders due to our reliable performance. We are committed to providing customized solutions – if you need a specific base fabric, coating thickness, or size, we can adjust accordingly. Contact us today for a quotation or sample request, and experience the Boli difference.
Frequently Asked Questions (FAQ):
Q1: What is the maximum temperature this filter cloth can withstand?
A: The continuous operating temperature is 260°C, with short-term peaks up to 280°C. For applications exceeding 280°C, we recommend using a higher-grade base fabric like PPS or PTFE fibers (available upon request).
Q2: Can this filter cloth be used for wet scrubber systems?
A: Yes, the PTFE coating provides excellent water repellency and chemical resistance, making it suitable for wet desulfurization scrubbers. However, please confirm the specific chemical environment with our technical team for optimal performance.
Q3: What is the filtration efficiency for particles of 0.5 μm?
A: Our cloth achieves ≥ 99.9% filtration efficiency for particles larger than 0.5 μm, as tested by standard methods (e.g., ASTM D6830). Actual efficiency depends on operating conditions and dust characteristics.
Q4: How long is the typical lifespan of this filter cloth?
A: Lifespan depends on factors like temperature, chemical exposure, abrasion, and cleaning frequency. In typical desulfurization applications, our cloth lasts 1–2 years before replacement. We can provide longevity data from similar projects upon request.
Q5: Can I get custom sizes or cut pieces?
A: Absolutely. We offer custom widths from 1.0 to 2.5 meters, and can cut to specific lengths, or supply finished filter bags with sewing or welding. Minimum order quantity may apply for custom sizes.
Q6: What is the minimum order quantity (MOQ)?
A: MOQ is typically 100 square meters for standard types. For customized products, MOQ may be higher. Please contact our sales team to discuss your specific needs.
Q7: Do you provide free samples?
A: Yes, we can provide small samples (e.g., A4 size) for evaluation. Freight cost is usually covered by the customer unless a formal order is placed. Contact us for sample request.
Q8: How does your factory ensure quality control?
A: We have a dedicated QC team that inspects raw materials, monitors weaving and coating processes, and tests finished products. Each batch is accompanied by a quality certificate. We also offer third-party inspection upon request.
For more detailed technical data sheets, pricing, or to place an order, please contact our sales team. We are ready to support your desulfurization filtration needs.
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