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Hydrophobic PTFE Roll Membrane
Microlab PTFE membrane media for filtration is made of PTFE(polytetrafluoroethylene), and were drawn 2-demension. It is micro-pore film. Applied to extensive industries, including pharmacy, biochemistry, microelectronic, and lab material and etc. Directly and indirectly related to pharmacy, brewing, manufacture of pure water and special need water, beverage and dairy, chemical reagent, biochemical reagent, air filtration of fermentation 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.
Features and Benefits
  • Broad chemical compatibility 
  • High throughputs and high flow rates 
  • Good heat-resistance 
  • Ultra pure water and high pure water
  • Ultra pure chemical solvents
  • Corrosive or oxidizing solutions
  • Gas & air
  • Other aqueous solutions

Membrane Hydrophobic Polytetrafluoroethylene Membrane (PTFE)
Support PP
Color White
Filter Surface Plain
Thickness, μm 150~250
Size DiscΦ13Φ25Φ47Φ50,Φ90Φ142Φ293,
Roll: width 270mm, length customized
Pore Size, μm 0.01(for air), 0.1, 0.22, 0.45,1.0,3.0,5.0
Maximum Operating Pressure Forward: 4.2 bar @ 23 ℃; 1.5 bar @ 85 ℃
Flow Rate Liquid Air
0.22 μm ≥ 6 mL/min/cm2 at 1 bar ≥ 3.5 L/min/cm2 at 1 bar
0.45 μm ≥ 30 mL/min/cm2 at 1 bar ≥ 7 L/min/cm2 at 1 bar
Integrity Test-60% IPA/water bubble point at 23 ℃
0.22 μm ≥ 1000 mbar
0.45 μm ≥ 600 mbar
Bacterial Retention
Passed the bacterial challenge testing using Brevundimonas diminuta(ATCC19146)(0.22 μm) / Serratia marcescens (ATCC14041)(0.45 μm) at a minimum challenge concentration of 1 x 107 CFU/cm2.
Non-Fiber Releasing
Meets the criteria for a “non-fiber releasing” filter as defined in 21 CFR 210.3 (b) (6).
By autoclave at123℃ or EO
Bacterial Endotoxins
< 0.5 EU/ml as determined by the LAL test
Good Manufacturing Practices
Manufactured in Microlab facility which adheres to Good Manufacturing Practices.

Ordering Information
Catalog No Description
MPTB270022 Hydrophobic PTFE membrane, pore size:0.22μm,270mm*100m
MPTB270045 Hydrophobic PTFE membrane, pore size:0.45μm,270mm*100m

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