Introduction
Polytetrafluoroethylene (PTFE) is widely known for its outstanding chemical resistance and thermal stability. While standard PTFE membranes are hydrophobic, hydrophilic PTFE membranes are specifically treated to allow efficient wetting by aqueous solutions, enabling high-performance liquid filtration across various industries.
Material Structure Analysis
- Made of expanded PTFE (ePTFE) structure offering interconnected micropores.
- Surface modified to introduce hydrophilic functional groups.
- Exhibits uniform pore distribution and high mechanical integrity.
Uses and Advantages
- Ideal for corrosive liquid filtration due to superior chemical resistance.
- Highly stable under acidic, alkaline, or oxidizing environments.
- Excellent flow rate and low extractables, ensuring high purity.
- Autoclavable and gamma-sterilizable for sanitary processing lines.
Application Industries
- Pharmaceuticals — filtration of strong acid/base reagents and organic solvents.
- Chemical industry — corrosive liquid recovery and process filtration.
- Food & Beverage — alcohol, flavoring, and additive filtration.
- Electronics — cleaning solution and chemical bath filtration for semiconductor production.
Key Features
- Excellent chemical resistance including acids, alkalis, and solvents.
- Hydrophilic surface — no pre-wetting with alcohol required.
- Stable filtration performance over a wide temperature range.
- Low protein adsorption and low particle shedding.
Conclusion
Hydrophilic PTFE membranes expand the capabilities of traditional PTFE filters, allowing efficient liquid-phase filtration while maintaining exceptional chemical and thermal resistance. They are particularly well-suited for demanding pharmaceutical and industrial liquid processing applications.
Purchase Suggestion
Contact our team for high-quality hydrophilic PTFE membranes and expert support on selecting the ideal filter for your liquid filtration process.