This document specifies the testing instruments and procedure for determining the filtration efficiencies of flat sheet filter media against airborne nanoparticles in the range of 3 nm to 30 nm. The testing methods in this document are limited to spherical or nearly-spherical particles to avoid uncertainties due to the particle shape.
Status : PublishedPublication date : 2019-03
Edition : 1Number of pages : 52
Technical Committee:Cleaning equipment for air and other gases
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