"KN95" is the GB2626-2006 standard for respiratory protection products promulgated by the National Quality Supervision, Inspection and Quarantine Bureau and the National Standardization Administration, and is not a specific product name. As long as it meets the KN95 standard and passes the GB2626-2006 standard for respiratory protective equipment, it can be called a "KN95 mask".
In the GB2626-2006 standard, KN95 is the standard for dust protection, which is cheap and easy to adopt by related dust industries. N95 masks are used for occupational respiratory protection, including certain dust particles (such as dust, smoke and other non-oily particles protection).
KN95 mask (3) The biggest feature of KN95 mask is that it can prevent droplet infection caused by the patient's body fluid or blood splash. The size of the droplets is 1 to 5 microns in diameter. The U.S. Occupational Safety and Health Administration (OSHA) stipulates that medical personnel exposed to tuberculosis bacteria must wear masks above the KN95 standard for medical institutions.
