A filter's ability to capture particles depends on a number of variables and filtration mechanisms. Contrary to popular belief, porous plastic and fiber filters do not simply capture all particles above a certain particle size via mechanical sieving. Rather, their filtration efficiencies benefit from the cumulative effects of Interception, Inertial Impaction, Diffusion, and Electrostatics filtration mechanisms. While particles with sizes 0.1 µm to 0.4 µm diameter range typically represent the most penetrating particle size, filtration efficiency requirements should be specified with particle size distributions and flow rates that mimic end use application.
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Applications
Filtration
by Product
