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ISO/CD 16900-4

Respiratory protective devices — Methods of test and test equipment — Part 4: Determination of gas filter capacity and migration, desorption and carbon monoxide dynamic testing

General information

30.20     May 30, 2026

ISO

ISO/TC 94/SC 15

International Standard

Scope

ISO 16900-4:2011 specifies the test method for determining gas capacity of separate or integral gas and combined filters for respiratory protective systems.
ISO 16900-4:2011 includes the validation test at specified flow rates, a desorption test to access the ability of the filter to retain the adsorbed or absorbed gas, and carbon monoxide dynamic testing.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 16900-4:2011

NOW

IN_DEVELOPMENT
ISO/CD 16900-4
30.20 CD study/ballot initiated
May 30, 2026

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