PES Membrane for Liquid Filtration in Precision Filters

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Hydrophilic PES membrane consists of pure polyether sulfone  polymers without support. It can provide good mechanical strength, thermal stability and broad chemical compatibility. This PES membrane filtration efficiency is high,and designed for special liquid filtration.

Features and Benefits

  • Good chemical compatibility
  • Wide range of ratings
  • Low bio-adsorption
  • Asymmetric structure, high flow rates


PES Membrane for Liquid Filtration in Precision Filters

Membrane Name PES
Membrane Material PolyetherSulfone(PES)
Support Material NO
Structure Asymmetric
Color white
Suface Plain
Membrane forms pieces or rolls
Recommended dimensions Ф25-30mm
PH range 1-14
Wetting Hydrophilic
Thickness 100-130μm
Removal rating,μm 0.22,1.2
Forward maximum operating pressure 4.2bar@23℃,1.5bar@85℃
Flow rate@25℃ alcohol:
0.22μm ≥15 ml/min/cm²@10Psi
1.2μm ≥200ml/min/cm²@10Psi
Integrity Test-water bubble point@23 ℃
0.22μm ≥  3500 mbar
1.2μm ≥  500 mbar
Sterilization By  autoclave at 123℃ or EO


  • Membranes produced in a controlled environment
  • Manufactured according to ISO9001 certified Quality Management System

Ordering information


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