PP Ultrafiltration Membrane
Application: UF System
Transport Package: Carton
Specification: 4inch/6inch/8inch/10inch
Work Pressure: 0.1～0.3Mpa
SDI: ≤2.0 SDI
Shell materials: UPVC
Max. Temperature: 45℃
PP Ultrafiltration Membrane (Integrated UF Module)
Our PP Ultrafiltration Membrane is engineered with hollow fiber technology and a fully integrated housing, delivering plug-and-play installation for all major UF systems. Unlike traditional UF membranes that require a separate membrane vessel, this all-in-one design reduces installation time, lowers system cost, and provides immediate compatibility with 4040 / 6040 / 8040 UF membrane replacements.
Made from high-purity polypropylene (PP), the membrane offers excellent chemical resistance (pH 2–13), long service life, and stable water production even under fluctuating operating conditions. It is ideal for industrial water treatment, municipal drinking water, RO pretreatment, and wastewater reuse.
Why Choose PP Ultrafiltration Membranes from Ink-Blue?
Integrated Housing – No Need for Extra Membrane Vessels
The membrane module comes with a built-in UPVC or reinforced PP shell, eliminating the need to purchase external membrane housings.
- Faster installation
- Lower material cost
- No compatibility issues
- Direct replacement of market-standard 4040/6040/8040 UF membranes
Simply connect the inlet/outlet → start filtration.
High-Flux Hollow Fiber Structure
Each module contains thousands of 0.03 μm precision hollow fibers with a narrow pore size distribution.
This ensures:
- High permeate flux
- Stable SDI < 3
- Turbidity ≤ 0.2 NTU
- Excellent rejection of bacteria, viruses, suspended solids
Outside-to-inside filtration increases dirt-holding capacity and reduces clogging.
Long Service Life & Anti-Fouling Performance
- Hydrophilic surface treatment reduces fouling by 40%
- Fiber tensile strength > 200N (no breakage)
- Flux attenuation < 5% per year
- Designed for 3–5 years of service
Suitable for high-turbidity raw water.
Global Certification & Factory Capacity
- CE / NSF compliant
- Annual capacity: 500,000+ units
- 7–15 days fast delivery
- Third-party performance test available
Ink-Blue supplies large projects across Southeast Asia, Middle East, Africa, and South America.
Specifications (4040 / 6040 PP Ultrafiltration Membrane)
| Model | 4040 UF | 6040 UF |
|---|---|---|
| Diameter | 90 mm | 160 mm |
| Length | 1106 mm | 1304 mm |
| Membrane Area | 8.0 ㎡ | 20 ㎡ |
| Shell Material | UPVC | UPVC |
| Pore Size | 0.03 μm | 0.03 μm |
| Operating Pressure | ≤0.12 MPa | ≤0.12 MPa |
| pH Range | 2–13 | 2–13 |
| Flux (20°C, 0.1MPa) | ≥1000 L/h | ≥3000 L/h |
| Temperature | 5–45°C | 5–45°C |
| Backwash Frequency | Every 30–120 min | Same |
Applications
- RO system pretreatment
- Industrial circulating water
- Wastewater reuse
- Municipal drinking water purification
- Food & beverage filtration
- Seawater desalination pretreatment
- Pharmaceutical & biotech separation
Advantages vs Conventional UF Modules
1. Integrated UF Module (Ink-Blue)
No extra pressure vessel required
Faster setup
Lower total cost
Light weight + strong chemical resistance
Ideal for quick project upgrades
2. Traditional UF + Separate Housing
Higher installation cost
Risk of leakage from fittings
Requires more space
Longer maintenance time
Ink-Blue UF = simpler + safer + more economical.
Customer Success Case (Saudi Arabia)
A large industrial water treatment contractor in Saudi Arabia replaced 96 sets of 4040 UF membranes with our 4040 Integrated PP Ultrafiltration Membrane.
Results:
- Installation time reduced by 40%
- Permeate SDI improved from 4.2 → 2.6
- RO membrane cleaning interval extended from 15 → 38 days
- Zero fiber breakage reported within the first 14 months
This project now uses Ink-Blue UF membranes as their standard configuration.
FAQ
Q1: Can this UF membrane directly replace 4040 / 6040 UF modules?
Yes. It is fully compatible. No additional membrane housing is required.
Q2: Do I need a separate pressure vessel?
No. The membrane comes with an integrated UPVC shell. It is plug-and-play.
Q3: What is the pore size of the PP hollow fiber?
0.03 μm, ideal for removing bacteria, colloids, and suspended solids.
Q4: Is it suitable for RO pretreatment?
Yes. Permeate SDI ≤ 3, which protects RO membranes from fouling.
Q5: How often should backwashing be done?
Every 30–120 minutes depending on raw water quality.
Q6: What is the typical service life?
3–5 years under normal operating conditions.
Q7: What certifications are available?
Includes CE, NSF-compliant materials, and third-party testing.
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