Standard Specification for Barrier Face Coverings
NORMA vydána dne 15.3.2023
Designation standards: ASTM F3502-23
Note: NEPLATNÁ
Publication date standards: 15.3.2023
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: American technical standard
Kategorie: Technické normy 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)