Standard Specification for Barrier Face Coverings (Includes all amendments And changes 4/19/2023).
STANDARD published on 1.7.2022
Designation standards: ASTM F3502-22a
Note: WITHDRAWN
Publication date standards: 1.7.2022
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: American technical standard
Category: Technical standards 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)