T/AHEMA 001-2020 Nano-composite membrane mask
T/AHEMA 001-2020 Nano-composite membrane mask
Basic Information
Scope
Scope: This standard specifies the terms and definitions, technical requirements, experimental methods, inspection rules, marking, packaging, and storage of nano-composite film masks (hereinafter referred to as masks). This standard applies to protective masks worn to filter out particulate matter in air-polluted environments in daily life. This standard does not apply to oxygen-deficient environments, masks for protecting against harmful gases and vapors, masks for escape and firefighting, or respiratory protective gear for infants, children, and adolescents. Main technical content: 1. Scope; 2. Normative reference documents; 3. Terms and definitions; 4. Technical requirements; 5. Test methods; 6. Inspection rules; 7. Packaging, marking, and storage