ASTM F3502-22a

Standard Specification for Barrier Face Coverings (Includes all amendments And changes 4/19/2023).

NORM herausgegeben am 1.7.2022

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The information about the standard:

Designation standards: ASTM F3502-22a
Note: UNGÜLTIG
Publication date standards: 1.7.2022
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: American technical standard
Kategorie: Technische Normen ASTM

Annotation of standard text ASTM F3502-22a :

Keywords:
aerosol, airflow resistance, barrier face coverings, breathing resistance, leakage assessment, sub-micron filtration efficiency,, ICS Number Code 13.340.30 (Respiratory protective devices)