T/ZZB 2141-2021
Disposable KN95 protective mask (English Version)
- Standard No.
- T/ZZB 2141-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/ZZB 2141-2021
- Scope
- This document stipulates the terms and definitions, basic requirements, technical requirements, test methods, inspection rules, labeling, packaging, storage, transportation and quality commitments of disposable KN95 protective masks (hereinafter referred to as "masks"). This document is applicable to disposable masks (without breathing valve) for protection against non-oily particles. This document does not apply to respiratory protective equipment for protection against harmful gases and vapors, respiratory protective equipment for special industries such as hypoxic environments, underwater operations, escape, firefighting, and medical use, nor does it apply to infants and children under the age of 14. Respiratory protective equipment.
T/ZZB 2141-2021 history
- 2021 T/ZZB 2141-2021 Disposable KN95 protective mask
