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Help CenterAcid-Resistant Wet Desulfurization Filter Cloth Polyester 150g/m2 0.5mm Thickness 20 Micron Pore Size
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As a leading manufacturer specialized in industrial filtration fabrics since 1998, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Acid-Resistant Wet Desulfurization Filter Cloth. Made from high-quality polyester, this filter cloth is engineered to withstand harsh acidic environments while delivering reliable solid-liquid separation in wet desulfurization systems. With a standard weight of 150 g/m², thickness of 0.5 mm, and a precise 20 micron pore size, it offers an optimal balance of filtration efficiency and mechanical strength. Our factory has exported to over 15 countries and regions worldwide, with annual export values reaching US$5–10 million, ensuring consistent quality and professional service.
This filter cloth is specifically designed for wet flue gas desulfurization (FGD) processes, where it efficiently captures fine gypsum particles, fly ash, and other solid impurities from acidic slurries. The polyester fiber provides excellent resistance to sulfuric acid, hydrochloric acid, and other corrosive chemicals commonly encountered in desulfurization operations. Its uniform pore structure ensures high filtration accuracy while maintaining adequate permeability for continuous operation.
Key Features & Technical Specifications
- Acid Resistance: Excellent resistance to dilute acids, organic acids, and oxidizing agents, making it suitable for wet desulfurization environments.
- High Filtration Precision: 20 micron pore size ensures effective capture of fine solids while maintaining reasonable flow rates.
- Durable Construction: Polyester monofilament or multifilament yarns provide high tensile strength, abrasion resistance, and dimensional stability under pressure.
- Low Elongation: Minimal stretch under tension ensures consistent cake discharge and filter performance over time.
- Thermal Stability: Polyester can withstand operating temperatures up to 130°C (continuous) and 150°C (peak), with higher temperature options available upon request.
- Easy Cake Release: Smooth surface finish reduces filter cake adhesion, improving cycle times and reducing downtime.
- Customizable Dimensions: Available in rolls or cut-to-size sheets, with widths up to 3.5 meters and lengths as required.
| Parameter | Value | Notes |
|---|---|---|
| Material | 100% Polyester | Virgin grade, UV stabilized optional |
| Weight | 150 g/m² | Tolerance ±5% |
| Thickness | 0.5 mm | Measured under 5 kPa pressure |
| Pore Size | 20 Microns | Air permeability ~ 150-250 L/m²·s @ 200 Pa |
| Tensile Strength (Warp) | ≥ 800 N/5cm | ASTM D5034 |
| Tensile Strength (Weft) | ≥ 700 N/5cm | ASTM D5034 |
| Operating Temperature | Up to 130°C (continuous) | Higher temp options available |
| pH Range | 2–12 | Suitable for most acidic/alkaline conditions |
The Acid-Resistant Wet Desulfurization Filter Cloth is widely used in belt filter presses, vacuum belt filters, disc filters, and drum filters for gypsum dewatering, flue gas desulfurization, mining, chemical processing, and wastewater treatment. Its 20 micron pore size makes it ideal for capturing fine particles in the 10–30 micron range, which is common in desulfurization slurries. The polyester material is hydrophobic, which helps reduce moisture content in the filter cake, leading to lower disposal costs and improved energy efficiency.
Compared to polypropylene filter cloths, polyester offers superior dimensional stability and higher tensile strength, making it more resistant to stretching under high pressure. The 150 g/m² weight provides a good balance between filtration speed and cake retention, while the 0.5 mm thickness ensures adequate mechanical support without excessive pressure drop. For applications requiring higher flow rates, we can adjust the weave pattern or reduce the weight within a certain range.
Why Choose Anping Boli?
With over 26 years of manufacturing experience, we have perfected the production of industrial filter cloths. Our factory is equipped with modern rapier looms, heat-setting machines, and quality control laboratories to ensure every roll meets strict specifications. We have served customers in North America, South America, Europe, Southeast Asia, Africa, and Oceania, with annual export values between US$5 million and US$10 million. Our products are shipped from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery worldwide.
We understand that every filtration system is unique. That's why we offer customization services for width, length, edge finishing (selvaged, heat-cut, or sealed), and even special treatments such as singeing or calendering to improve surface smoothness. Our technical team can provide recommendations based on your specific slurry characteristics, operating pressure, and desired cake moisture.
Trusted by global clients: Our filter cloths are used in power plants, cement factories, steel mills, chemical plants, and mining operations worldwide. With a proven track record of reliability, we are committed to helping you optimize your filtration process.
Contact us today for a quote or free sample. Whether you need a standard 150 g/m² polyester cloth or a custom specification, we are ready to serve you with competitive pricing and professional support.
Frequently Asked Questions
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Q: What is the maximum operating temperature of this filter cloth?
A: The standard polyester cloth can continuously operate at temperatures up to 130°C. For higher temperatures (up to 150°C), we can supply a special heat-stabilized version upon request. -
Q: Can this cloth be used for filtration of strong sulfuric acid?
A: Yes, polyester has good resistance to dilute sulfuric acid (up to 30% concentration) at moderate temperatures. For concentrated acid, we recommend using polypropylene or other specialty materials. -
Q: What is the typical lifespan of this filter cloth in a wet desulfurization application?
A: Lifespan depends on operating conditions. In typical gypsum dewatering, it can last 6–12 months with proper maintenance. Abrasive particles or high temperature may shorten life. -
Q: Do you offer samples for testing?
A: Yes, we provide free samples (A4 size or small roll) for evaluation. Shipping cost is negotiable. Contact our sales team to arrange. -
Q: Can I get a custom width or length?
A: Absolutely. Our maximum loom width is 3.5 meters, and we can cut to any length. Custom edge finishing (heat-cut, folded, or with grommets) is also available. -
Q: What is the minimum order quantity (MOQ)?
A: Our standard MOQ is 100 square meters for stock specifications. For custom specifications, MOQ may be higher. Contact us for details. -
Q: How is the cloth packaged for export?
A: Each roll is wrapped in plastic film, then packed in a woven bag or wooden crate to protect against moisture and damage during shipping. -
Q: Do you have certifications like ISO 9001?
A: We have a rigorous internal quality management system. Specific certifications can be provided upon request—please inquire with our sales team.
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