This document specifies the terms and definitions, specifications, requirements, test methods, inspection rules, packaging, labeling, storage and transportation of insertable filter silk masks. This document applies to silk masks made of mulberry silk fabric as the inner and outer layers and capable of inserting replaceable filters. This document does not apply to respiratory protective equipment for special industries such as hypoxic environments, escape, firefighting, medical and industrial protection. This document does not apply to respiratory protective equipment for infants and children.
T/CSATC 8-2021 history
2021T/CSATC 8-2021 Silk mask with replaceable filter-pad