T/GDC 45-2020 Antimicrobial continuous use daily protective mask
T/GDC 45-2020 Antimicrobial continuous use daily protective mask
Basic Information
Scope
Scope: This standard specifies the classification, technical requirements, testing methods, inspection rules, marking and instructions, packaging, and storage and transportation of antibacterial continuous-use daily protective masks. This standard applies to masks generally worn in production workshops and daily life. This standard does not apply to protective masks used for protecting against harmful gases and vapors, in oxygen-deficient environments, underwater operations, escape and firefighting purposes. Main technical contents: filter material categories, filter material grades, antibacterial performance requirements, appearance, structure and dimensions, nose clips, mask straps, initial filtration efficiency, breathing resistance, surface moisture resistance, microbiological indicators, durability of use, and biological performance evaluation.