范围:This document specifies the terms and definitions, classification, technical requirements, test method, inspection rules, packaging, marking, storage and transport of reusable daily protective mask. This document is applicable to reusable protective mask which wears in daily life to filter particle in the air and block dust, smoke, droplet, microorganisms, pollen, catkins, etc.; 主要技术内容:This document specifies the terms and definitions, classification, technical requirements, test method, inspection rules, packaging, marking, storage and transport of reusable daily protective mask.This document is applicable to reusable protective mask which wears in daily life to filter particle in the air and block dust, smoke, droplet, microorganisms, pollen, catkins, etc.