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Help CenterFilter Cloth Bags for Disc Vacuum Filters in Mining Dewatering, 0.5mm Thick, Enhanced Cake Release, Low Moisture Retention, Standard Compliant
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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory proudly presents our premium Filter Cloth Bags for Disc Vacuum Filters in Mining Dewatering. With a precise thickness of 0.5mm and engineered for enhanced cake release and low moisture retention, these bags are designed to maximize your dewatering efficiency while minimizing downtime. Our decades of experience in wire mesh and filtration products, combined with annual export values of US$5–10 million, ensure that every bag meets rigorous industry standards and delivers consistent performance across global mining operations.
Our filter cloth bags are specifically tailored for disc vacuum filters used in mineral processing, coal washing, and other dewatering applications. The unique weave structure and surface treatment promote rapid filtrate passage and easy cake discharge, reducing cycle times and energy consumption. Whether you require standard sizes or custom dimensions, our bags are available with a range of material options (polyester or polypropylene) to suit different slurry chemistries and operating temperatures.
Key Features
- Precise 0.5mm Thickness: Ensures uniform filtration and consistent cake moisture content, typically 10–15% lower moisture compared to conventional cloths.
- Enhanced Cake Release: Special surface finish reduces adhesion, allowing filter cake to drop cleanly with minimal vibration or air blow.
- Low Moisture Retention: Optimized pore structure drains water rapidly, achieving as low as 8–12% residual moisture in many applications.
- High Durability: Resistant to abrasion, chemicals, and UV degradation, with a typical service life of 6–12 months under normal mining conditions.
- Standard Compliant: Manufactured in accordance with international filtration quality standards, ensuring reliable performance and easy replacement.
- Customizable Options: Available in various diameters, sealing methods (grommets, straps, or drawstrings), and edge reinforcements to match your filter disc specifications.
Technical Specifications
| Parameter | Value |
| Thickness | 0.5 mm ± 0.05 mm |
| Material | Polyester (PET) or Polypropylene (PP) |
| Maximum Operating Temperature | 130°C (PET) / 90°C (PP) |
| Tensile Strength (warp/weft) | ≥ 800 N / 5 cm (typical) |
| Air Permeability | 100–300 L/m²·s @ 200 Pa (customizable) |
| Filtration Rating | 15–50 µm (depending on weave) |
| Available Widths | Up to 2.5 m (cut to size) |
The combination of precise thickness and optimized weave density ensures that our filter cloth bags deliver consistent cake moisture levels—often 10–20% lower than standard products—thereby reducing downstream drying costs and improving overall plant throughput. The enhanced cake release feature also minimizes the need for mechanical scraping or air knives, saving energy and reducing wear on the filter disc.
Benefits for Your Mining Operation
- Increased Dewatering Efficiency: Low moisture content means less water in your final product, improving transport and handling.
- Reduced Maintenance Costs: Durable fabric and easy cake release prolong bag life and reduce replacement frequency.
- Energy Savings: Less air blow or vacuum pressure required to discharge cake, lowering power consumption.
- Compatibility with Existing Systems: Standard dimensions available; custom sizes can be made to fit any disc filter model.
- Global Supply Assurance: With annual exports exceeding US$5 million and multiple shipping ports (Tianjin, Qingdao, Shanghai, Foshan), we ensure timely delivery worldwide.
Our factory in Hengshui, Hebei, China, has been producing high-quality wire mesh and filtration products since 1998. We serve markets across North America, South America, Europe, Africa, Asia, and Oceania, and have built a reputation for reliable quality and competitive pricing. Each filter cloth bag undergoes strict quality control checks, including dimensional accuracy, tensile strength, and filtration performance tests, before shipment.
Frequently Asked Questions
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Q: What types of disc vacuum filters are compatible with these bags?
A: Our bags are designed to fit most standard disc filter models used in mining, such as those from Andritz, FLSmidth, Outotec, etc. We can also customize the bag dimensions and attachment method (sewn grommets, straps, or drawstrings) to match your existing equipment. -
Q: How do you achieve low moisture retention?
A: The combination of a precise 0.5mm thickness and a specially engineered weave pattern ensures rapid drainage while preventing particle blinding. The surface treatment also reduces capillary adhesion, allowing water to escape more easily. -
Q: Can I choose between polyester and polypropylene materials?
A: Yes. Polyester is recommended for higher temperature applications (up to 130°C) and better chemical resistance to acids. Polypropylene is more cost-effective for neutral or alkaline slurries and offers good resistance to alkalis. Both materials are available upon request. -
Q: What is the typical lifespan of these bags under mining conditions?
A: With proper operation and maintenance, our bags typically last 6–12 months, depending on the abrasiveness of the slurry, chemical exposure, and mechanical stress. The enhanced durability can extend service life compared to standard cloths. -
Q: Do you offer custom sizes or shapes?
A: Absolutely. We can manufacture bags to any diameter, sector width, or edge reinforcement configuration. Please provide your filter disc dimensions and we will tailor the product accordingly. -
Q: How should I clean and maintain the filter cloth bags?
A: Regular washing with low-pressure water (or gentle chemical cleaning if needed) helps maintain performance. Avoid using sharp tools that could damage the fabric. We recommend inspecting the bags every 3 months for signs of wear. -
Q: Are these bags compliant with international standards?
A: Yes, our production process follows ISO 9001 quality management principles (though not certified unless requested). The bags meet common industry standards for filtration media, ensuring consistent quality and performance. -
Q: What is the minimum order quantity (MOQ) and lead time?
A: MOQ is typically 50 pieces for standard sizes. Custom orders may require a higher MOQ. Lead time is usually 15–25 working days, depending on order volume and customization. For urgent orders, please contact us to discuss expedited options.
With over two decades of expertise, a robust production capacity, and a global shipping network, Anping County Boli Hardware Wiremesh Products Factory is your reliable partner for mining dewatering filtration solutions. Our 0.5mm thick filter cloth bags have been proven in hundreds of installations worldwide, delivering enhanced cake release and low moisture retention that translate into real operational savings. Contact us today to request a quote, sample, or technical consultation—we are ready to help optimize your dewatering process.
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