Membrane Filtration Technology

X-section of 0.4 pore size of polycarbonate membrane at 5,000x and 5.0 kV [Click image for larger size]

Membrane Filtration Technology

This x-section was obtained by fracturing the filter in liquid nitrogen. Note the path of the pores are not aligned vertically, but consist of a series of multiple intersecting paths. This unique structure may have important ramifications in terms of overall retention efficiencies and flowrate applications.

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