Hydrophobic PTFE Pleated Filter

Hydrophobic filter cartridges are characterized by permanently hydrophobic PTFE membrane, specially designed for filtration of aggressive solvents, acid and base samples. They are also ideal for sterile venting of air or other gases. They can provide low protein binding, low extractables, high throughputs, broad chemical compatibility and the highest process security. Due to their hydrophobic characteristic, they must be pre-wetted with ethanol or IPA before the filtration of aqueous solutions.

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Features and Benefits

  • Broad chemical compatibility
  • High throughputs and superior flow rates
  • Naturally hydrophobic
  • Selected types can be steam-in-place sterilized or autoclaved at 121℃


  • Filtration of photo resists and organic solvents
  • Filtration for harsh chemicals and HPLC mobile phases
  • Filtration for strongly corrosive or oxidizing solutions
  • Sterile venting of air and other gases

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