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Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 2: Particle size range from 3 nm to 30 nm (ISO/TS 21083-2:2019)
Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 2: Particle size range from 3 nm to 30 nm (ISO/TS 21083-2:2019)
This document specifies the testing instruments and procedure for filtration efficiency of flat sheet filter media against airborne nanoparticles in the 3 – 30 nm range.