FCTL/FPTL/FETL/LCTL
Pharma&Biotech, Microelectronics, Fine Chemical
Membrane Filter Cartridges
PTFE
| Availability: | |
|---|---|
| Quantity: | |
Low Protein Binding & Sterilizing
Grade for Corrosive Aqueous Solutions
The Sterilizing-grade Hydrophilic PTFE Filter Cartridge delivers exceptional
chemical compatibility with aggressive fluids while maintaining low protein
binding. It provides reliable 0.22/0.1 µm sterile filtration with high dirt-holding
capacity, ideal for sensitive aqueous solutions, corrosive buffers, and
biological fluids in biopharmaceutical, semiconductor, and chemical
processes. Each unit is 100% integrity tested to ensure validated performance.
• High Polarity Solvent Filtration for DMF, DMSO and Acetonitrile
• Strong Acid & Base Filtration for Aqueous Solutions
• High-Purity Chemical Final Filtration for Sensitive Processes
• Catalyst Recovery Filtration from Aqueous Slurries
• Chemical Synthesis Stream Clarification
• Sterile Solvent Filtration for API Formulation
• Sterile Filtration of High-Polarity APIs
• Sterile Filtration of Extreme pH Solutions
• Point-of-Use Filtration in WFI Systems
• Chemical-Resistant Filtration for Bioprocess Streams
• Point-of-Use Filtration for Ultra-Pure Acids & Bases
• Terminal Filtration of Water-Based Electronic Chemicals
• Aqueous & Solvent Photoresist Filtration
• Final Polishing of TMAH Developer Solutions
• Etching Solution Filtration for Ammonium Fluoride & HF-Based Solutions
• CMP Slurry Filtration for Oxide & Metal Planarization
The LC-Series hydrophilic PTFE filter cartridge combines the corrosion resistance of PTFE with hydrophilic wetting properties, specially designed for fine filtration in fluorinated fluid circulation. It can stably filter 0.1–1 μm particulates, removing crystals, contaminants, and material debris, significantly extending the lifespan of immersion refrigerants. Suitable for multiple types of media such as HFE/HFO and PAO, it is the premier choice for terminal filtration in high-reliability liquid cooling systems.
•Utilizes hydrophilic Polytetrafluoroethylene (PTFE) membrane with broad chemical compatibility;
•No pre-wetting required, ready for direct filtration;
•Ultra-low extractables and high dirt-holding capacity;
•Modified imported raw materials ensure stable hydrophilicity for direct wetting;
•Retains the extreme chemical corrosion resistance advantage of PTFE;
•Low initial pressure drop, suitable for continuous, uninterrupted operation;
•Absolute filtration rating, providing semiconductor-grade single-digit particle control;
•Binder-free structure (thermal bonding) effectively prevents extractables;
•Customizable interface sizes and forms for volume customers.
Pore Size (µm): 0.02 • 0.05 • 0.1 • 0.22 • 0.45 • 0.65 • 1.0 • 3.0• 5.0
Unique Chemical Resistance
Withstands aggressive chemicals that destroy conventional hydrophilic membranes
Instant Wettability
No alcohol pre-wetting required, ready-to-use with water-based solutions
Low Extractables
Critical for pharmaceutical and microelectronics applications
High Temperature Resistance
Suitable for hot chemical filtration and steam sterilization
MEMBRANE | Hydrophilic PTFE |
CAGE & SUPPORT & END CAPS & DRAINAGE | PP |
O-RINGS/GASKET | Silicone/Viton/EPDM/TEV |
PP | <60 ℃ |
PP WITH STAINLESS STEEL LINED END CAP | <85 ℃ |
PP WITH STAINLESS STEEL LINING | <95 ℃ |
POSITIVE/REVERSE PRESSURE RESISTANCE | 4 bar/2 bar (23 ℃) |
STEAM STERILIZATION | 123 ℃@30 min(for FPS Series) |
OUTER DIAMETER | 68 mm/70 mm |
LENGTH | 10", 20", 30", 40" |
0.1 μm | ≥1.0 bar |
0.22 μm | ≥0.9 bar |
0.45 μm | ≥0.3 bar |
ENDOTOXIN | <0.25 EU/ml |
EXTRACTABLE | ≤50 mg/10" |
SERIES | MATERIAL | RATING(μm) | END CAP | LENGTH(in) | SUPPORT | SEAL | PORT |
Electronics | Hydrophilic PTFE | 0.1μm | 222/Fin | 2.5'' | PP | Silicone | Interface lining steel |
Phamarmical | 0.22μm | 222/Flat | 5'' | PBT | EPDM | Fully lining | |
Chemical | 0.01μm | 226/Fin | 10'' | PVDF | Viton | Skeleton lining | |
1.0μm | 226/Flat | 20'' | PFA | TEV | |||
3.0μm | DOE/Flat | 30'' | PE | Butyronitrile | |||
10μm | 215/Fin | 40'' | GF | PTFE | |||
0.22+0.22μm | 215/Flat | PTFE gasket (soft) | |||||
M20 | Metal-graphite Wound | ||||||
M30 | |||||||
216/Fin | |||||||
216/Flat | |||||||
M15 | |||||||
Insertion Type | |||||||
Barbed Type |
What is a hydrophilic PTFE filter cartridge mainly used for?
A hydrophilic PTFE filter cartridge is designed for filtration of aqueous solutions that require both strong chemical resistance and easy wettability. It is particularly suitable for pharmaceutical, fine chemical, microelectronics, and liquid-cooling applications involving corrosive aqueous fluids, high-purity chemicals, buffers, acids, alkalis, or other chemically demanding liquids.
What is the difference between hydrophilic PTFE and hydrophobic PTFE filter cartridges?
Hydrophilic PTFE can be directly wetted by water-based fluids, while hydrophobic PTFE naturally repels water and is more commonly used for gas, vent, and solvent filtration. Hydrophilic PTFE is therefore better suited to aqueous liquid filtration when the chemical resistance of PTFE is required without an additional pre-wetting step.
Why is hydrophilic PTFE suitable for corrosive aqueous solutions?
PTFE provides broad resistance to many aggressive chemicals, while the hydrophilic treatment allows the membrane to process water-based fluids efficiently. This combination makes hydrophilic PTFE suitable for applications involving acidic, alkaline, or chemically aggressive aqueous solutions. Final compatibility should still be confirmed according to chemical concentration, temperature, exposure time, seal material, and operating conditions.
How do I choose the right micron rating for a hydrophilic PTFE filter cartridge?
The correct micron rating depends on the required particle or microbial retention, process cleanliness target, contamination load, flow rate, and downstream requirements. Fine grades such as 0.22 μm are suitable for applications requiring tighter retention, while larger pore sizes may be selected for clarification or prefiltration. Selection should balance retention performance, flow, and allowable differential pressure.
Can the hydrophilic PTFE filter cartridge be steam sterilized?
For the listed series, the specified steam sterilization condition is 123°C for 30 minutes. Actual sterilization suitability depends on the cartridge configuration, support structure, seal material, sterilization cycle, and number of repeated exposures. The complete cartridge specification should therefore be confirmed against the intended sterilization procedure before use.
When should a hydrophilic PTFE filter cartridge be replaced?
Replacement should be based on validated process limits rather than a fixed service interval. Typical indicators include increasing differential pressure, reduced flow rate, longer filtration time, or failure to achieve the required filtrate quality. Actual service life depends on contaminant loading, selected pore size, chemical exposure, operating temperature, and process conditions.