N95 Civilian Mask
KN95 face mask china factory
KN95 is a standard Chinese mask
It comes from GB 2626-2006, the national standard of China, "self-absorption filter anti-particulate respirator of respiratory protective equipment".
(1) standard source
This standard is mandatory national standard of China, proposed by the state administration of work safety, and centralized by the national technical committee for standardization of individual protective equipment (SAC/TC 112).
(2) technical content
From the scope of application, this standard is applicable to ordinary self-absorption filtration respirators to protect against all kinds of particulate matter. Typical respirators, such as masks, are not applicable to other special environments (such as anoxic environment, underwater operation, etc.)
From the definition of particulate matter, this standard defines various forms of particulate matter, including dust, smoke, fog and microorganisms, but does not define the size of particulate matter.
From the level of filter element, it can be divided into the class of filtering non-oily particulate KN and the class of filtering oily and non-oily particulate KP, which are marked as similar to the N and R/P stipulated in the interpretation guidelines of CFR 42-84-1995.
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Add: Donguan City Guangdong Province China