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Help CenterNeedle-Punched Liquid Filter Bag for Pharmaceutical Filtration – 1 Micron, Standard Compliant Material
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer specializing in industrial filtration solutions. With annual export sales exceeding US$5 million, we serve global markets including North America, Europe, Southeast Asia, and the Middle East. Our Needle-Punched Liquid Filter Bag for Pharmaceutical Filtration – 1 Micron, Standard Compliant Material represents the pinnacle of precision filtration, designed to meet the rigorous demands of pharmaceutical manufacturing. Built with high-quality needle-punched non-woven fabric, this filter bag ensures consistent retention of particles down to 1 micron, safeguarding product purity and process efficiency.
This liquid filter bag is engineered for critical applications where stringent quality standards are non-negotiable. The needle-punched construction creates a dense, uniform fiber matrix that provides excellent depth filtration, high dirt-holding capacity, and low pressure drop. Whether used in solvent filtration, bulk drug substance recovery, or final polishing of injectable solutions, our filter bag delivers reliable performance batch after batch.
Key Features & Technical Specifications
- Precision Filtration: 1 micron absolute rating ensures removal of fine particulates, meeting pharmaceutical grade requirements.
- Needle-Punched Construction: Provides high porosity and mechanical strength, ideal for high-flow and high-viscosity liquids.
- Standard Compliant Material: Manufactured from FDA-recognized polypropylene (or polyester) fibers, suitable for contact with pharmaceutical products.
- Customizable Sizes: Available in standard dimensions (e.g., 180×810mm, 180×430mm) and custom sizes to fit various filter housings.
- Low Extractables: Pre-washed and purified to minimize leachables, ensuring no contamination of sensitive fluids.
- High Dirt-Holding Capacity: Thick needle-punched media retains more contaminants, extending service life and reducing replacement frequency.
- Thermal Resistance: Operating temperature up to 90°C (with polypropylene) or higher with optional polyester media.
- Compatible with Multiple Connection Types: Choose from polypropylene ring, plastic flange, or stainless steel ring for easy installation.
Technical Data Table
| Parameter | Value |
| Filtration Rating | 1 micron (nominal / absolute depending on test) |
| Media | Needle-punched polypropylene (standard) / polyester (optional) |
| Max Operating Temperature | 90°C (PP) / 150°C (polyester) |
| Max Differential Pressure | 2.5 bar (at 20°C) |
| Available Sizes (Diameter × Length) | 180×810mm, 180×430mm, 180×910mm, custom |
| Connection Options | Polypropylene ring, polypropylene flange, stainless steel ring |
| Surface Treatment | Calendered or singed on one side to reduce fiber migration |
| Compliance | Meets requirements for pharmaceutical filtration (standard compliant material) |
Advantages for Your Pharmaceutical Process
- Enhanced Product Quality: Consistent 1 micron filtration removes critical contaminants, preventing batch rejection and ensuring compliance with pharmacopoeia standards.
- Cost Efficiency: High dirt-holding capacity means fewer filter changes, reducing downtime and disposal costs.
- Versatility: Suitable for a wide range of fluids including purified water, alcohols, solvents, acids, and alkalies within the chemical compatibility limits.
- Easy Integration: Standard dimensions and connection types fit most existing filter housings without modification.
- Reliable Supply: As a manufacturer with 26 years of experience, we maintain consistent quality and stock availability for timely delivery.
Our filter bags undergo rigorous in-process inspection to ensure uniform fiber distribution, correct micron rating, and mechanical integrity. Each bag is individually sealed in a clean polybag to prevent contamination during storage and transport. We offer both standard and customized solutions, including different fiber materials, ring types, and special treatments like anti-static or hydrophobic finishes upon request.
Frequently Asked Questions (FAQ)
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Q: What is the typical lifespan of this filter bag in pharmaceutical use?
A: Lifespan depends on the fluid's contaminant load. Under normal conditions, a 1 micron bag can last from several hours to weeks. Our high dirt-holding capacity design extends service life. We recommend conducting a trial with your specific fluid to determine optimal replacement schedule. -
Q: Can this filter bag be reused after cleaning?
A: This is a single-use (disposable) filter bag designed for critical applications where cross-contamination must be avoided. Reuse is not recommended for pharmaceutical filtration. Disposable bags ensure sterility and eliminate cleaning validation. -
Q: Is the material FDA or EU approved?
A: Our standard polypropylene material complies with FDA regulations for food contact and is used in pharmaceutical manufacturing. If you require specific documentation (e.g., USP Class VI, EU 10/2011), please contact us to confirm availability. -
Q: What types of connections are available for your filter bags?
A: We offer polypropylene ring (plain or with gasket), polypropylene flange, and stainless steel ring. Custom options like bayonet or special thread are available upon request. Please provide your housing model for compatibility. -
Q: Do you provide samples for testing?
A: Yes, we are happy to provide free samples (standard size) for evaluation. You only need to cover the shipping cost. Contact our sales team to arrange a trial. -
Q: What is the minimum order quantity (MOQ)?
A: For standard sizes, MOQ is 100 pieces. For custom sizes or materials, MOQ may be higher. We also offer trial orders for first-time customers. -
Q: How do you ensure the filter bag is free from fiber shedding?
A: Our needle-punched media is processed with a calendering or singeing step that seals the surface, significantly reducing fiber release. We also perform a simple shake test before packaging. For ultra-critical applications, consider our pre-rinsed version. -
Q: What is the lead time for a typical order?
A: For standard items, lead time is 7–15 days after confirmation. Custom orders may require 15–25 days. We have a large inventory of common sizes to ensure fast dispatch.
About Anping County Boli Hardware Wiremesh Products Factory
With over two decades of manufacturing expertise, we have built a strong reputation for delivering high-quality filtration products at competitive prices. Our annual export value of US$5–10 million reflects the trust of clients across North America, Europe, Southeast Asia, Africa, and the Middle East. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring efficient logistics worldwide. As a factory-direct supplier, we offer flexible customization, strict quality control, and responsive customer service. Whether you need a standard 1 micron filter bag or a tailored solution for a unique pharmaceutical process, we are ready to partner with you. Contact us today for a quote or sample request—experience the Boli difference in your next filtration project. Choose reliability, choose Boli.
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