Polypropylene Filter Bag

Products Description Polypropylene filter bag is made of polypropylene fiber as the main material, molded by meltblown non-woven technology. The internal filter layer forms a three-dimensional gradient filtration structure, which contains a surface dense layer, a deep support layer and an...

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Products Description

Polypropylene filter bag is made of polypropylene fiber as the main material, molded by meltblown non-woven technology. The internal filter layer forms a three-dimensional gradient filtration structure, which contains a surface dense layer, a deep support layer and an optional nano-scale fiber reinforcement layer, which can gradingly retain solid particles within the range of 0.1-200μm.

Key features

corrosion-resistant-polypropylene-filter-bag

Corrosion Resistant Solutions

Withstands strong corrosive media in the pH range 1-13.
Stable in 70% concentration hydrochloric acid, 50% sodium hydroxide solution and organic solvent system.
Suitable for precision filtration of industrial fluids such as plating solutions and etching agents.

Wide Range Of Temperature Adaptability

Short-term peak temperature tolerance of 110°C (30 minutes).
Conventional operating temperature range -10°C to 90°C.
Heat distortion temperature up to 145°C.

high-temperature-resistant-polypropylene-filter-bag

Fine Filtration Enhancement Technology

Optional electret electrostatic nano-fiber layer is available.
Adopts meltblown microfiber technology (fiber diameter 0.5-2μm).
Retention efficiency of 0.5μm particles > 99.5%.

Sustainable application solutions

Supports reverse rinsing ( 0.3MPa) and ultrasonic regeneration technology.
Average recycling times up to 5-8 times (depending on working conditions).
Complies with FDA food contact material specifications.

Technical parameters

Standard Model	1#	2#	3#	4#	5#
Size (mm)	180*430	180*810	105*230	105*380	150*560
Flow Rate (m³/h)	20	40	6	12	20
Filter Area (m²)	0.24	0.48	0.08	0.16	0.24
Volume (L)	8	17	1.3	2.6	8
►In addition to standard models, we offer customized services: Tailored Dimensions: Non-standard sizes (e.g., oval-shaped bags for compact housings). Hybrid Media: Combine PP with activated carbon or glass fiber layers. Labeling & Tracking: Barcoded tags for batch traceability.

Client Case Studies

Real Customer Cases

Case 1: Chemical Manufacturer in Germany
A leading European chemical plant struggled with frequent bag failures due to HCl exposure. Our PP filter bags with reinforced seams reduced replacements by 60%, saving €12,000 annually in maintenance costs.

Case 2: Food Processing Facility in Australia
A beverage company required FDA-compliant filtration for fruit juice clarification. Our food-grade PP bags with 5-micron rating increased yield purity by 98%.

Case 3: Oil Refinery in the USA
To address emulsion separation challenges, we provided hydrophobic PP bags with oleophobic coatings, achieving 40% faster oil-water separation rates.

Production workshop

polypropylene-filter-bag-production-process

polypropylene-filter-bag-mass-production

FAQ

Q: How long do PP filter bags typically last?

A: Lifespan depends on operating conditions. In moderate environments (pH 4–10, ≤70°C), bags last 6–12 months. For harsh conditions (e.g., concentrated acids or abrasive slurries), expect 3–6 months. Regular inspection and cleaning can extend service life by up to 20%.

Q: Can these bags handle high-viscosity fluids like oils or syrups?

A: Yes. Our hydrophobic PP bags with oleophobic coatings (optional) resist clogging in viscous media. For fluids above 500 cP, we recommend larger pore sizes (50–100 microns) and a pleated design to maintain flow rates.

Q: Do you provide compatibility testing for specific chemicals?

A: Absolutely. Share your fluid's chemical composition, temperature, and pH, and we'll conduct free lab tests to confirm material suitability.

Q: What if the bag leaks or fails prematurely?

A: All bags undergo rigorous QA checks, including bubble-point testing. If failure occurs due to manufacturing defects, we offer a 12-month warranty with free replacements. For field issues, our engineers provide remote diagnostics and onsite support within 72 hours.

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