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Help CenterDual-Layer Polyester Filter Cloth for Belt Filter, 150 L/m².s Air Permeability
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As a leading manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory is proud to introduce our Dual-Layer Polyester Filter Cloth for Belt Filter, featuring a precise air permeability of 150 L/m².s. This high-performance filtration media is engineered to enhance solid-liquid separation efficiency in belt filter systems, delivering consistent results across demanding industrial applications. Our commitment to quality and innovation ensures that every roll of filter cloth meets the rigorous standards required for optimal dewatering and clarification processes.
The dual-layer construction combines superior mechanical strength with excellent filtration precision, making it an ideal choice for mining, chemical processing, wastewater treatment, and food industries. With an annual export value exceeding US$5 million and shipments to major global markets including North America, Europe, and Southeast Asia, our filter cloth has gained trust from clients worldwide. We custom-manufacture each batch to your specific requirements, ensuring a perfect fit for your belt filter equipment.
Below are the key technical specifications and features that set our product apart:
| Property | Specification | Benefits |
| Material | 100% Polyester | Excellent chemical resistance, low moisture absorption |
| Layer Structure | Dual-Layer (support + filtration) | Enhanced cake release, reduced clogging |
| Air Permeability | 150 L/m².s (±5%) | Optimal balance between flow rate and filtration efficiency |
| Temperature Range | -20°C to 150°C | Suitable for hot and cold processes |
| Tensile Strength (Warp) | ≥ 2000 N/5cm | Long service life under high tension |
| Finish | Heat-set, anti-static optional | Dimensional stability, reduced static buildup |
Key Features and Advantages:
- Dual-Layer Design: The robust support layer prevents deformation under vacuum pressure, while the fine filtration layer achieves high solid capture rates. This structure minimizes blinding and ensures consistent performance over time.
- 150 L/m².s Air Permeability: This specific rating is ideal for belt filters handling medium to fine particles. It provides sufficient vacuum draw for dewatering without excessive air flow that could disturb the cake.
- Polyester Material: Resistant to most acids, alkalis, and organic solvents, polyester offers excellent durability in harsh chemical environments. It also has low elongation, maintaining dimensional stability during continuous operation.
- Customizable Options: We offer various widths, lengths, edge finishes (selvage, heat-cut, or glued), and connection methods (pin seams, button loops, or endless belts) to match your specific belt filter model.
- High Filtration Efficiency: The dual-layer structure can achieve particle retention down to 10-20 microns, depending on weave pattern, making it suitable for fine slurry dewatering and polishing filtration.
- Easy Cake Discharge: The smooth surface and optimized weave design promote clean cake release, reducing downtime for cleaning and improving overall throughput.
Trust Our Manufacturing Expertise:
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a reliable manufacturer of industrial filtration media. Our factory is located in Hengshui, Hebei, China, the wire mesh capital of the country. With an annual export value of US$5 million to US$10 million, we serve clients 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.
Our production process includes strict quality control at every stage: from yarn selection, weaving, heat-setting, to final inspection. We use advanced looms and testing equipment to guarantee consistent air permeability and tensile strength. Each roll is individually tested and certified before shipment. We also offer free samples for evaluation, so you can verify the performance before committing to bulk orders.
Frequently Asked Questions (FAQ):
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Q: What is the typical lifespan of this dual-layer polyester filter cloth?
A: Lifespan depends on operating conditions such as abrasive particles, chemical exposure, and tension. Under normal conditions, our cloth typically lasts 6-12 months. We can provide wear-resistant coatings or heavier constructions for extended life. -
Q: Can I get a sample before ordering?
A: Yes, we offer free samples (A4 size or 1m²) for testing. You only need to pay for shipping. Please contact us with your requirements. -
Q: Is this filter cloth suitable for vacuum belt filters?
A: Absolutely. The 150 L/m².s air permeability is specifically designed for vacuum belt filters. It allows efficient vacuum draw while maintaining cake integrity. -
Q: Do you offer custom widths and lengths?
A: Yes, we can produce any width up to 4 meters and any length as per your belt filter dimensions. Custom edge finishes and connection methods are also available. -
Q: What is the maximum temperature this cloth can withstand?
A: Standard polyester cloth can handle up to 150°C continuous. For higher temperatures, we recommend our Nomex or PPS filter cloth options. -
Q: How do I install the filter cloth on my belt filter?
A: We provide installation instructions and can offer technical support. The cloth can be installed with tensioning rollers or clamps. We also supply pre-cut cloth with sewn loops for quick installation. -
Q: Can this cloth be used for food processing?
A: Our polyester material is FDA-compliant for dry food contact. For wet food applications, please confirm with our technical team to ensure the specific weave and finish meet your safety standards. -
Q: What is the minimum order quantity?
A: For standard sizes, MOQ is 100 square meters. For custom specifications, MOQ may vary. We are flexible for trial orders.
We invite you to experience the difference that over two decades of manufacturing expertise can make. Contact us today for a quote or to request a sample. Our team is ready to help you optimize your filtration process with high-quality, cost-effective solutions.
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