Standard Specification for Barrier Face Coverings (Includes all amendments And changes 3/15/2024).
NORM herausgegeben am 1.4.2023
Designation standards: ASTM F3502-23a
Note: UNGÜLTIG
Publication date standards: 1.4.2023
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: American technical standard
Kategorie: Technische Normen ASTM
Keywords:
aerosol, airflow resistance, barrier face coverings, breathing resistance, leakage assessment, sub-micron filtration efficiency,, ICS Number Code 13.340.30 (Respiratory protective devices)