MUNKTELL HYDROPHOBIC PTFE MEMBRANE FILTERS

PTFE membrane filters are permanently hydrophobic by their composition. They allow the passage of air

and gases and do not get clogged up by humidity.

When intended for the filtration of aqueous solutions, they need to be wetted with ethanol or methanol

prior to use in order to permit water penetration.

PTFE membrane filters are ideal for venting applications, phase separations, aerosol collection and gas filtration.

PTFE membrane filters offer an excellent chemical compatibility so that they can be used even for those

solvents and acids which other filter types are not resistant against.



SPECIFICATION FOR HYDROPHOBIC PTFE MEMBRANE FILTERS

Adsorption: 8 μg/cm² for g-globuline for pore size 0.2 μm.

Bubble Point (minimum value for the 0.2 μm membrane and average values for all other porosities,

treated in all cases with isopropanol):

0.2 μm . . . . . . . . . . . . . 1.2 bar      1.2 μm . . . . . . . . . . . . . . . 0.45 bar

0.45 μm . . . . . . . . . . . . . 0.8 bar     5.0 μm . . . . . . . . . . . . . . . 0.1 bar

Flow Rates (average values per cm2 with air and  △ p = 0.05 bar):

0.2 μm . . . . . . . . . . . . . 0.2 l/min    1.2 μm . . . . . . . . . . . . . . . 1.6 l/min

0.45 μm . . . . . . . . . . . . . 0.3 l/min   5.0 μm . . . . . . . . . . . . . . . 4 l/min



Compatibility:

compatible with most solvents. See compatibility table.



Extractable Substances (with water):

none detected



Sterilization:

Autoclave (121° C oder 134° C), with ethylene oxide.



Thickness:

varies acc. to pore size, between 65 μm (0.2 μm) and 100 μm (5.0 μm).



Validation:

Sterilization Capability of 0.2 μm membrane filter has been verified with

the BCT (Bacteria Challenge Test.

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注：该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案，不可用于临床诊断或治疗等相关用途