Surfactant-free Cellulose Acetate (SFCA) Membrane


SFCA membrane Surfactant-free cellulose acetate (SFCA) is a good choice for all aqueous solutions. Without surfactant or wetting agents as compared to standard CA membranes, it features very low extractables and leachables. Free of active surface agents, makes it ultra low absorption characteristic, thus SFCA is a perfect choice for biologic solutions like serum and cell culture media. In some high protein fluid samples , SFCA may even flow faster than PES membrane.

Cobetter SFCA membrane is available in roll format as well as in sheets and disks that can be customized to meet your application and size requirements.

Features and Benefits

• Extremely low protein binding capacity;

• Low extractables and leachables;

• High flow rate



• Filtration for immunological samples and biological fluids.

• Cell culture media and serum

• Analysis of bacteria, clarification, prefiltration and sterile filtration

• Sterility testing and microbiology testing

• Highly protein contained fluids filtration (e.g. 100% Adult Animal Serum or Plasma)

         Disposable vacuum filtration units_1.pngSterile syringe filter02_1.pngSyringe filter_1.png
  Disposable Vacuum Filtration Units    Sterile Syringe Filter  Syringe Filter


Available Pore Size

0.2μm , 0.45μm

Typical Performance Characteristics

SFCA 0.2μm   Thickness   Water Flow Rate/s @ 30kpa*50ml*12.686cm²   Water Bubble Point

   90μm   42s   420 kpa


Biological Safety

Meets USP<88>, for class VI-121℃ plastic



Autoclave, Ethylene Oxide, E-Beam, Gamma Irradiation.


Available Format
Membrane DiscsRoll, Sheet, Disc, Customization.

For technical data sheet or application inquiry, you are more than welcome to contact our sales representative by or leave a message