T/CTCA 1-2019 PM2.5 protection mask
T/CTCA 1-2019 PM2.5 protection mask
Basic Information
Scope
Scope: This standard specifies the terms and definitions, classification, grading, and marking, technical requirements, testing methods, product descriptions, and packaging of PM2.5 protective masks. This standard applies to masks worn by the general public in daily life to prevent inhalation of PM2.5 in the air. This standard does not apply to masks used to protect against the inhalation of harmful gases and vapors, nor to masks used in oxygen-deficient environments, for escape, firefighting, medical purposes, or other occupational dust protection masks. Main technical content: This standard specifies the terms and definitions, classification, grading, and marking, technical requirements, testing methods, product descriptions, and packaging of PM2.5 protective masks. This standard applies to masks worn by the general public in daily life to prevent inhalation of PM2.5 in the air. This standard does not apply to masks used to protect against the inhalation of harmful gases and vapors, nor to masks used in oxygen-deficient environments, for escape, firefighting, medical purposes, or other occupational dust protection masks.