MS® Cellulose Acetate (CA) Membrane Filter

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Product Description

CA Membrane FilterCA Membrane Filter

MS® CA (Cellulose Acetate) membrane filters are composed of pure cellulose acetate modified to offer researchers the lowest binding filters available. Due to the extremely low binding characteristics, these filters provide higher throughputs than competitive offerings and reduce filter changes when filtering protein solutions.
Because of their unique strength and extremely low binding characteristics, CA (Cellulose Acetate) filters are ideal for protein and enzyme filtration, tissue culture media sterilization, cold sterilization, biological fluid filtration and other filtration applications where maximum recovery of proteins is critical.
Each filter has unequalled dimensional stability after autoclaving or steam sterilizing and is completely unaffected by temperatures up to 135°C (275°F). The exclusive impregnation process results in an acetate filter which has a burst strength of 130 psi, uniform pore size and consistent flow rates for reliable performance.

CA Mebrane Filter


  • Protein and enzyme filtration, sterilization
  • Biological fluid filtration sterilization
  • Tissue culture media sterilization
  • Diagnostic cytology
  • Receptor binding studies
  • Enhanced recovery of fastidious gram positive organisms


  • Lowest binding material available
  • Hydrophilic
  • High throughput
  • Strength and dimension stability
  • Uniform pore structure


Pore Size(μm) Thickness(μm) Bubble Point(Bar) Water Flow Rate Δp = 0.9 bar
Air Flow Rate(mL/min/cm2)
0.22 115 4 18.5 --
0.45 115 3.1 40 25
0.8 140 1.5 150 50
3 140 0.5 500 180
5 140 0.4 900 280

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