Munktell Specification for CACN membranes

SPECIFICATION FOR CELLULOSE ACETATE MEMBRANES

Bubble Point (minimum values, wetted with water):

0,2 μm . . . . . . . . . . . . . 3.5 bar         0.65 μm . . . . . . . . . . . . . . 1.3 bar

0.45 μm . . . . . . . . . . . . . 2.0 bar        0.8 μm . . . . . . . . . . . . . . 0.8 bar



Flow rates (mean values cm² with water and △p = 1 bar (100 kPa))

0.2 μm . . . . . . . . . . . . . 22 ml/min

0.45 μm . . . . . . . . . . . . . 69 ml/min

0.65 μm . . . . . . . . . . . . . 130 ml/min

0.8 μm . . . . . . . . . . . . . 200 ml/min



Chemical Compatibility:

stable in solutions for pH range 4-8, resistant to most alcohols,

hydrocarbons and oils. See compatibility table



Extractables (in water):

less than 1%



Max. temperature resistance: 180°C



Sterilization:

autoclave (121°C or. 134°C) with g-radiation or

with ethylene oxide



Thickness (average value):

135 μm.



Validation:

Correlation bubble point values of membranes with a pore size of 0.2 μm.

For checking sterilization filtration, the Standard BCT test (Bacteria Challenge Test) was used.

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