ISO 21083-1:2018
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ISO 21083-1:2018
69876

Abstract  Preview

This document specifies the testing instruments and procedure for determining the fractional filtration efficiencies of flat sheet filter medium against airborne nanoparticles in the range of 20 nm to 500 nm. The testing methods in this document are limited to spherical or nearly-spherical particles to avoid uncertainties due to the particle shape.


General information 

  •  :  Published
     : 2018-11
  •  : 1
     : 52
  •  : ISO/TC 142 Cleaning equipment for air and other gases
  •  :
    91.140.30 Ventilation and air-conditioning systems

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