MS® PTFE Membrane Filter

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PTFE Membrane Description

MS®PTFE membrane media for filtration is made of PTFE (polytetrafluorothylene), and were drawn 2-demension. It is micro-pore film. 
The PTFE membrane was laminated with great variety of fabric and paper. Applied to extensive industries, including biochemistry, microelectronic, lab material and etc. Directly and indirectly related to pharmacy brewing, manufacture of pure water and special need water, beverage and dairy, chemical regent, biochemical regent, air filtration of fementation tank in microelectronic, purification and filtration in microelectronic plants, filtration and separation of antibacterial fluid, production of medicine, air conditioning of hospitals and commercial buildings.

PTFE Membrane Filter

PTFE disc membranePTFE Membrane


  • PTFE membrane with supporting layer polyester or polypropylene
  • The PTFE membrane can effectively filtrate microorganism and other particulates
  • Wide chemical compatibility
  • High temperature resistance
  • Low starting resistance


  • Filtration of strong acids and aggressive solutions
  • Venting applications
  • Phase separations
  • Aerosol sampling


Membrane Material Support Pore Size(µm) Average Bubble Point(Mpa) Flow Rate(25°C) Δp = 0.07 Mpa 
PTFE Hydrophobic PP 0.1 0.2-0.22( Alcohol ) 4-8 140-190
0.22 0.13-0.17 ( Alcohol ) 17-22
0.45 0.08-0.12 ( Alcohol ) 35-45
1 0.04-0.06( Alcohol ) 50-70
3 0.03-0.04( Alcohol ) 90-120
5 0.02-0.03( Alcohol ) 250-320
PTFE Hydrophilic PP 0.22 0.34-0.45(Water) 10-18 140-190
0.45 0.2-0.3(water) 25-35
1 0.12-0.15(water) 45-65

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