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Help CenterPET Filter Cloth for Belt Filter Press, Applied in Chemical, Food, and Pharmaceutical Filtration
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998 with an annual export value of US$5–10 million. Our PET Filter Cloth for Belt Filter Press is engineered specifically for demanding filtration processes in chemical, food, and pharmaceutical industries. With decades of expertise in wire mesh and filter fabrics, we deliver high-performance polyester cloths that ensure efficient dewatering, fine particle retention, and long service life. Whether you need cake filtration, clarification, or solid-liquid separation, our filter cloths are designed to meet your exact process requirements.
This premium PET filter cloth is manufactured from high-quality polyester fibers, offering excellent resistance to chemicals, abrasion, and heat. The fabric is woven in various patterns (plain, twill, satin) to optimize retention and flow rates. Our belt filter press cloths are available in multiple thicknesses, air permeabilities, and widths, making them suitable for a wide range of equipment from different OEM brands. We also provide custom weaving and finishing options to match your specific filtration needs.
Key Features
- Material: 100% virgin PET (polyester) – high tensile strength and dimensional stability.
- Weave Patterns: Plain weave for fine filtration, twill weave for higher flow, satin weave for smooth cake release.
- Chemical Resistance: Resistant to most acids, alkalis, and organic solvents (except strong oxidizing agents).
- Thermal Stability: Continuous operation up to 150°C, with peak surge up to 170°C.
- Surface Finish: Available as singed, calendered, or heat-set for improved cake release and reduced blinding.
- Edge Reinforcement: Custom hemming, edge sealing, or grommets to prevent fraying and ensure tight fit on belt filter presses.
- Hygienic Design: FDA-compliant materials available for food and pharmaceutical applications (upon request).
Technical Specifications
| Parameter | Value Range | Remarks |
|---|---|---|
| Material | 100% PET (Polyester) | Virgin grade, UV stabilized optional |
| Weave Type | Plain, Twill, Satin, Double layer | Customizable per application |
| Thickness | 0.5 – 2.5 mm | ±0.1 mm tolerance |
| Weight | 200 – 800 g/m² | Depends on weave and thickness |
| Air Permeability | 20 – 200 L/m²·s @ 200 Pa | Adjustable to dewatering needs |
| Temperature Resistance | Up to 150°C continuous | Peak 170°C (short term) |
| Maximum Width | 4.5 m | Seamless or welded joints |
| pH Range | 2 – 12 | Suitable for most chemical environments |
Applications & Benefits
- Chemical Industry: Effective for dewatering of slurries, waste treatment, and catalyst recovery. The PET fabric resists corrosion from acids and alkalis, reducing frequent replacement.
- Food Processing: Used for juice clarification, starch extraction, sugar filtration, and edible oil refining. The cloth is non-toxic and can be produced with FDA-compliant materials for direct contact with food.
- Pharmaceutical Filtration: Ideal for antibiotic fermentation, API recovery, and tablet granulation. The smooth surface minimizes product loss and ensures easy cleaning between batches.
- Excellent cake release: The calendered finish reduces sticking, maximizing throughput and minimizing downtime.
- Long service life: High tensile strength and abrasion resistance mean fewer cloth changes, lowering overall operating costs.
- Customizable dimensions: We can cut and finish the cloth to match any belt filter press model, including those from Larox, Andritz, or similar brands.
At Anping County Boli Hardware Wiremesh Products Factory, we have been serving global clients since 1998. Our annual export value exceeds US$5 million, and we ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan. Our main markets cover North America, South America, Europe, Southeast Asia, Africa, and Oceania, demonstrating our commitment to international quality standards. We have a dedicated team that ensures each roll of filter cloth undergoes strict quality control, including tensile testing, air permeability measurement, and visual inspection. When you choose our PET filter cloth, you are choosing reliability, consistency, and cost-effectiveness.
We invite you to request a sample or a custom quotation. Our engineers are available to discuss your specific filtration parameters, such as particle size, slurry viscosity, and cake moisture targets. Contact us today to experience the Boli difference – where quality meets value.
Frequently Asked Questions
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What is the difference between PET and nylon filter cloth for belt filter presses?
PET (polyester) offers better chemical resistance, lower moisture absorption, and higher temperature resistance compared to nylon. Nylon is more abrasion-resistant but less dimensionally stable in wet conditions. For most chemical, food, and pharmaceutical applications, PET is the preferred choice. -
Can you provide FDA-compliant material for food contact?
Yes, we can supply PET filter cloth manufactured from FDA-approved raw materials upon request. Please specify your application when ordering to ensure the correct grade. -
What are the standard widths and lengths available?
Standard widths are up to 4.5 meters (seamless). Lengths can be cut to any size, typically supplied in rolls of 50–100 meters. Custom sizes are also available. -
How do I choose the right weave pattern for my process?
Plain weave offers the finest filtration and highest retention; twill weave provides a balance of flow and retention; satin weave gives the best cake release. We recommend conducting a filtration test with a small sample to determine the optimal weave. -
What is the typical lifespan of PET filter cloth in belt filter presses?
Lifespan depends on the application, but typical service life ranges from 3 to 12 months in continuous operation. Proper cleaning and maintenance can extend the life significantly. -
Do you offer edges with hemming or grommets?
Yes, we provide edge finishing options such as hemming, heat sealing, and stainless steel grommets to ensure secure fitting and prevent fraying during operation. -
Can you make filter cloth for specific belt filter press brands (e.g., Andritz, Larox, EIMCO)?
Absolutely. We can manufacture cloths to match any belt filter press model. Please provide the machine dimensions, belt width, and any special requirements (e.g., drainage belt type). -
Is there a minimum order quantity?
We accept both small trial orders (e.g., 1–5 rolls) and large volume orders. MOQ may vary by weave and finish. Contact our sales team for details.
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