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Help CenterNeedle-Punched Filter Cloth Bag for Chemical Processing Liquid Filtration, Acid Resistant, 150°C
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a professional manufacturer with over 25 years of experience in the filtration industry. Our needle-punched filter cloth bags are specifically engineered for chemical processing liquid filtration, offering excellent acid resistance and the ability to withstand temperatures up to 150°C. These high-performance bags are designed to deliver reliable solid-liquid separation in aggressive chemical environments, ensuring your production efficiency and product quality.
Each bag is manufactured using advanced needle-punching technology that creates a dense, three-dimensional fiber structure. This unique construction provides high dirt-holding capacity, consistent filtration performance, and long service life. Whether you are filtering acids, alkalis, or other corrosive liquids, our filter bags maintain their integrity and efficiency under demanding conditions.
Key Features & Technical Specifications
- Material Options: Choose from polypropylene (PP) or polyester (PE) fibers – both offer excellent chemical resistance. PP is ideal for acid environments, while PE provides higher temperature tolerance.
- Temperature Range: Continuous operation up to 150°C (PP) / 160°C (PE), with peak spikes up to 180°C.
- Acid Resistance: Resistant to most inorganic acids (e.g., sulfuric, hydrochloric, nitric) and organic acids at concentrations typically used in chemical processing.
- Filtration Efficiency: Available in micron ratings from 1 to 200 microns, with high initial efficiency and low pressure drop.
- Seam Quality: Ultrasonic or heat-sealed seams prevent bypass leakage and ensure bag strength.
- Ring Types: Plastic snap ring (standard), stainless steel snap ring, or grommet top – compatible with most filter housings.
- Customization: Diameter, length, micron rating, and ring type can be tailored to your specific equipment and process requirements.
| Parameter | Value |
|---|---|
| Material | Polypropylene (PP) / Polyester (PE) |
| Max Operating Temperature | 150°C (PP) / 160°C (PE) |
| Acid Resistance | Excellent (pH 1-14, variable by material) |
| Filtration Precision | 1 – 200 micron |
| Weight | 500 – 600 g/m² (standard) |
| Thickness | 1.5 – 3.0 mm (variable) |
| Ring Type | Plastic snap ring / Stainless steel / Grommet |
| Sealing Method | Ultrasonic / Heat seal |
Advantages for Your Chemical Processing
- Reduced Downtime: High dirt-holding capacity means fewer bag changes, keeping your production line running smoothly.
- Cost-Effective: Durable construction and reusable design (after proper cleaning) lower overall filtration costs.
- Consistent Quality: Uniform fiber distribution ensures stable filtration results batch after batch.
- Safety: Acid-resistant materials prevent bag degradation and contamination of your valuable chemicals.
- Environmental Compliance: Efficient solid-liquid separation helps meet wastewater discharge standards.
Our needle-punched filter cloth bags are widely used in industries such as chemical manufacturing, electroplating, metal finishing, wastewater treatment, and pharmaceutical processing. They are compatible with standard bag filter housings from all major brands.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
Established in 1998, we have been a reliable manufacturer of filtration products for over 25 years. Our annual export value exceeds US$5 million, with shipments to major markets including North America, South America, Europe, Southeast Asia, and the Middle East. We ship from ports like Tianjin, Qingdao, Shanghai, and Foshan, ensuring fast and cost-effective logistics. With a dedicated team and strict quality control, we have earned the trust of clients worldwide.
We understand that chemical processing demands precision and reliability. That’s why each filter bag undergoes rigorous inspection before shipment – from material testing to seam strength verification. We also offer free samples for evaluation, so you can test the performance in your own process.
Frequently Asked Questions
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Q: Can these filter bags be used with concentrated sulfuric acid?
A: Yes, polypropylene (PP) bags are resistant to concentrated sulfuric acid at room temperature. For higher temperatures or very strong oxidizing acids, please consult our technical team for material recommendations. -
Q: What is the maximum operating temperature for the polyester version?
A: Polyester (PE) bags can operate continuously at up to 160°C, with short-term peaks up to 180°C. The 150°C rating is for polypropylene bags. -
Q: Do you offer custom sizes?
A: Absolutely. We can produce bags in any diameter from 1mm to 1000mm and length from 1mm to 2500mm. Just provide the dimensions of your housing. -
Q: How are the bags sealed to prevent leakage?
A: We use ultrasonic or heat-sealing technology for the seams, which creates a strong, leak-proof bond. No stitching is used, so there are no needle holes that could cause bypass. -
Q: Can these bags be washed and reused?
A: Yes, depending on the application and the type of solids collected. The bags can be cleaned with water or appropriate solvents and reused multiple times, offering excellent value. -
Q: What micron ratings are available?
A: We offer a wide range from 1 micron (for fine polishing) to 200 microns (for coarse filtration). Common ratings include 1, 5, 10, 25, 50, 100, and 200 microns. -
Q: Do you provide samples before bulk orders?
A: Yes, we are happy to provide free samples (freight collect) for you to test. Please contact us with your requirements. -
Q: What is the lead time for production?
A: For standard sizes, lead time is typically 7-15 days after order confirmation. Custom orders may take 15-20 days depending on complexity.
Ready to upgrade your chemical filtration process? Contact us today for a quote or to request a sample. Our experienced team is ready to assist you with product selection and technical support. With our factory-direct pricing and global shipping network, you get the best value for your investment.
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