1 Scope This document stipulates the terms and definitions, evaluation index system, evaluation methods and grade classification of the "Leader" standard evaluation of civilian sanitary masks. This document is applicable to the enterprise standard level evaluation of civilian sanitary masks. Enterprises can refer to it when formulating corporate standards, and relevant institutions can refer to it when formulating "front-runner" evaluation plans for corporate standards. This document does not apply to respiratory hygiene products for special industries such as hypoxic environments, underwater operations, escapes, firefighting, etc., nor does it apply to respiratory hygiene products for infants and young children. 2 Normative cited documents 3 Terms and definitions 4 Evaluation index system 5 Evaluation methods and classification
T/TTGA 004-2021 history
2021T/TTGA 004-2021 Assessment requirements for forerunner standards— Civil sanitary mask