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Help CenterAcid and Alkali Resistant Filter Cloth for Belt Filter in Chemical Processing
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Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer of industrial filtration solutions. Our Acid and Alkali Resistant Filter Cloth for Belt Filter in Chemical Processing is engineered to withstand harsh chemical environments while delivering reliable solid-liquid separation. With annual export value exceeding US$5 million and serving markets across North America, South America, Europe, Asia, and Oceania, we bring decades of expertise to every roll of filter cloth.
This filter cloth is specifically designed for belt filter systems used in chemical processing plants, where contact with strong acids, alkalis, and organic solvents is routine. It offers exceptional dimensional stability, high tensile strength, and consistent filtration performance. Whether you are filtering phosphoric acid, caustic soda, or metal hydroxides, our cloth minimizes downtime and maximizes throughput.
Key features include:
- Chemical Resistance: Withstands pH range 0-14, resistant to sulfuric acid, hydrochloric acid, nitric acid, sodium hydroxide, and many solvents.
- High Mechanical Strength: Monofilament or multifilament yarns provide excellent tear and abrasion resistance, reducing replacement frequency.
- Uniform Pore Structure: Precision weaving ensures consistent particle retention and high filtration efficiency.
- Anti-Clogging Surface: Smooth surface design minimizes cake adhesion and facilitates easy cleaning.
- Customizable Specifications: Available in various widths, lengths, thicknesses, and weave patterns to match your belt filter model.
Technical specifications (typical values, customization available):
| Parameter | Standard Value | Remarks |
| Material | Polypropylene / Polyester / Nylon / PVDF | Selected based on chemical compatibility |
| Weave Type | Plain, Twill, Satin, or Double-layer | Affects flow rate and retention |
| Air Permeability | 50-500 L/m²·s (@200 Pa) | Customizable for specific dewatering needs |
| Filtration Precision | 1-500 microns | Tested via bubble point method |
| Tensile Strength (Warp) | ≥ 1500 N/5cm | Varies with material and thickness |
| Operating Temperature | -20°C to +120°C (PP up to 90°C) | Higher temperature options available |
Our filter cloth offers distinct advantages for chemical processors:
- Extended Service Life: Superior chemical resistance reduces degradation, lasting 2-3 times longer than standard cloth in aggressive media.
- Improved Cake Moisture: Optimized weave structure reduces moisture content of discharged cake, lowering downstream drying costs.
- Low Maintenance: Anti-clogging design and easy-clean surface reduce wash water consumption and labor.
- Compatibility: Fits most belt filter brands (Larox, Outotec, Eimco, etc.) with custom edge sealing options.
We understand that every chemical process is unique. Our engineers work closely with clients to recommend the right material, weave, and finish. Sample rolls are available for on-site testing before bulk order.
With over 25 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has shipped millions of dollars worth of filter cloth to satisfied customers worldwide. Our main markets include North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and Western Europe. We export through Tianjin, Qingdao, Shanghai, and Foshan ports, ensuring timely delivery. Our factory is located in Hengshui, Hebei – the wire mesh capital of China – giving us access to premium raw materials and skilled labor.
We are confident that our Acid and Alkali Resistant Filter Cloth will exceed your expectations. Order a sample today or contact our technical sales team to discuss your specific application. Let us help you achieve higher filtration efficiency and lower operating costs.
Frequently Asked Questions
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Q: What materials are available for chemical resistance?
A: We offer Polypropylene (PP), Polyester (PET), Nylon (PA), PVDF, and PTFE-coated options. PP is most cost-effective for strong acids and alkalis; PTFE suits extreme temperatures and oxidizers. Contact us for a compatibility chart. -
Q: Can you customize the width and length for my belt filter?
A: Yes, we can produce filter cloth up to 4 meters wide and any length in rolls or cut pieces. We also provide custom edge reinforcement (hemmed, welded, or buttoned) to match your belt filter system. -
Q: How do I choose the right weave pattern?
A: Plain weave offers high retention and smooth surface; twill weave provides higher flow rate and cake release; satin weave gives maximum flexibility for fine filtration. Our technical team can recommend based on your particle size and cake thickness requirements. -
Q: What is the typical lead time?
A: For standard specifications, lead time is 10-15 working days. Custom orders may take 20-25 working days. We offer expedited shipping for urgent needs. -
Q: Do you provide sample testing?
A: Absolutely. We can send free samples (5-10 cm²) for evaluation. For larger trial swatches, a nominal fee applies, which is refundable upon bulk order. -
Q: How do you ensure consistent quality?
A: We follow strict in-house quality control from raw material inspection to finished product testing. Every batch is checked for air permeability, tensile strength, and pore size distribution. We also offer third-party testing upon request. -
Q: What is the minimum order quantity?
A: MOQ is 100 square meters for standard products, and 500 square meters for customized specifications. We welcome small trial orders for new customers. -
Q: Can the cloth be used for food-grade applications?
A: Our polypropylene and polyester materials are FDA-compliant options available. Please specify if you require food-grade certification, and we can supply the relevant documentation.
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