HONG KONG CHINA TOWN TRADING LIMITED

medical mask KN95/N95 CE and FDA KN95 is the standard mask in China From China's national standard GB 2626-2006 "Respiratory protection supplies self-primadosed filter edras" (1) Standard source This standard is China's mandatory national standard, proposed by the State Administration of Production Supervision, by the National Technical Committee for The Standardization of Individual Protective Equipment (SAC/TC 112). (2) Technical content From the scope of application, this standard applies to ordinary protection of all types of particulate matter self-priming filter respiratory protection supplies, typical such as masks, other special environments (such as oxygen-deprived environment, underwater operations, etc.) not applicable From the definition of particulate matter, this standard defines the various forms of particulate matter, including dust, smoke, fog and microorganisms, but does not define the size of particulate matter. At the filtration element level, KP classes can be divided into the class of filtering non-oily particulates KN and filtration oily and non-oily particulate matter, and are marked as similar to N, R/P as specified in the interpretation guide of CFR 42-84-1995. Filter element type Mask category Discarded Mask Replaceable half-mask Full cover KN Class KN90 KN95 KN100 KN90 KN95 KN100 KN95 KN100 KP class KP90 KP95 KP100 KP90 KP95 KP100 KP95 KP100 In terms of filtration efficiency, this standard is similar to the N-series masks set out in the interpretation guidelines of CFR 42-84-1995: Category and level of filtering elements Detection with sodium chloride particulate matter Detection with oil particles KN90 s90.0% N/A KN95 s95.0% KN100 s99.97% KP90 N/A s90.0% KP95 s95.0% KP100 s99.97%