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Help CenterPolypropylene Needle-Punched Filter Cloth Bag, 100 Micron, 90°C Max Temp, 0.5MPa for Liquid Filtration
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Anping County Boli Hardware Wiremesh Products Factory — a trusted manufacturer since 1998 — proudly presents our Polypropylene Needle-Punched Filter Cloth Bag with a precision of 100 Micron. Designed for demanding liquid filtration applications, this bag combines high thermal resistance (up to 90°C) and robust pressure capacity (0.5 MPa), making it a reliable choice for industries that require consistent performance and cost-effective filtration. With an annual export value of US$5–10 million and a global customer base across North America, South America, Europe, Asia, and Africa, our factory delivers quality that meets international standards.
This filter bag is engineered from 100% polypropylene needle-punched nonwoven fabric, offering excellent chemical resistance, high dirt holding capacity, and low flow resistance. The 100 micron rating ensures efficient removal of suspended solids while maintaining a high flow rate. Whether you are filtering water, coolants, edible oils, or industrial chemicals, this bag provides consistent performance and can be cleaned and reused multiple times, reducing operational costs.
Key Features & Technical Specifications
- Material: 100% Polypropylene (PP) needle-punched nonwoven — resistant to acids, alkalis, and organic solvents.
- Filtration Rating: 100 micron (nominal) — suitable for removing particles >100 μm.
- Temperature Tolerance: Continuous operation up to 90°C (194°F).
- Pressure Capacity: Maximum differential pressure 0.5 MPa (5 bar).
- Design: Seamless construction with precision sewn or heat-sealed seams to prevent bypass.
- Surface Finish: Available singed or calendered for reduced fiber migration (optional).
- Customization: Sizes, bag lengths, and connection types (such as plastic ring, flange, or snap band) can be tailored to your equipment.
| Parameter | Value |
|---|---|
| Filtration Micron Rating | 100 μm (nominal) |
| Max Operating Temperature | 90°C (194°F) |
| Max Differential Pressure | 0.5 MPa (5 bar / 72.5 psi) |
| Fabric Weight | Typically 400–600 g/m² (customizable) |
| Thickness | 1.5–2.5 mm (depending on weight) |
| Air Permeability | 100–300 L/m²·s at 200 Pa |
| Burst Strength (MD) | ≥ 200 N (optional test data) |
Advantages & Customer Benefits
- High flow rate due to the open structure of needle-punched fabric — reduces energy consumption.
- Excellent chemical compatibility — polypropylene resists most acids, alkalis, and organic solvents, making it suitable for aggressive liquids.
- Reusable & cost-effective — the bag can be cleaned (backwashing or ultrasonic) and reused multiple times, lowering total cost of ownership.
- Low pressure drop — maintains efficient filtration even with high dirt load.
- Consistent quality — manufactured with strict process control at our Hebei factory, ensuring uniform micron rating and seam strength.
- Customizable options — we offer different bag sizes, grommets, drawstrings, and collars to fit various filter housings.
With over 25 years of experience in wire mesh and filtration products, Anping County Boli Hardware Wiremesh Products Factory has supplied millions of filter bags to customers worldwide. Our annual export value of US$5–10 million reflects strong trust from global markets including North America, Europe, Southeast Asia, Africa, and Oceania. We ship from major ports such as Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery. Every bag is thoroughly inspected before packaging to guarantee dimensional accuracy and filtration performance.
Why choose our Polypropylene Needle-Punched Filter Cloth Bag? It combines high-temperature resistance, pressure durability, and precision filtration in a cost-effective, reusable design. Whether you need a standard 100 micron bag or a custom solution, our team is ready to assist. Contact us today for a quote or to request a sample for testing.
Frequently Asked Questions
Q1: What is the maximum temperature this filter bag can withstand?
A: The bag is rated for continuous operation up to 90°C (194°F). For short-term spikes, higher temperatures may be tolerated, but we recommend staying within the rated limit for optimal performance.
Q2: Can this bag be used for high-pressure applications?
A: Yes, the maximum differential pressure is 0.5 MPa (5 bar). For higher pressure, please consult with us for custom reinforcement options.
Q3: Is the bag reusable? How do I clean it?
A: Yes, the bag can be cleaned and reused. Common methods include backwashing with clean water, ultrasonic cleaning, or gentle chemical washing. Avoid harsh scrubbing that may damage the fabric.
Q4: Can I get custom sizes or configurations?
A: Absolutely. We offer custom sizes, bag lengths, and connection types (plastic ring, snap band, flange, drawstring, etc.). Please provide your housing dimensions and we will tailor the bag accordingly.
Q5: What is the typical lead time for an order?
A: For standard sizes, lead time is 7–15 days. Custom orders may require 15–25 days depending on quantity and specifications. We ship from Tianjin, Qingdao, Shanghai, or Foshan.
Q6: Is this filter bag resistant to solvents like acetone or ethanol?
A: Polypropylene has good resistance to many organic solvents, but it is not recommended for strong oxidizing agents, aromatic hydrocarbons, or chlorinated solvents at high temperatures. For specific chemical compatibility, please provide the liquid composition and we can advise.
Q7: What is the filtration efficiency at 100 micron?
A: The 100 micron rating is nominal — it captures the majority of particles above 100 μm. Efficiency can be enhanced by using multiple layers or a finer micron bag downstream. We can provide test data upon request.
Q8: Do you offer free samples for evaluation?
A: Yes, we can provide samples (standard sizes) for evaluation. Please contact our sales team with your application details and shipping address.
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