3M's 1860 N95 medical mask.
The 1860 N95 has NIOSH certification number TC-84A-0006; it meets the requirements of the Centers for Disease Control CDC Guidelines for Exposure Control of Tuberculosis Bacteria.
Use effect
1, can reduce the user's exposure to a variety of airborne particulate matter, including disease-causing microorganisms, filtration efficiency of 95%;
2, can be used for occupational respiratory protection of healthcare workers;
3, as an anti-particulate matter mask for reducing the exposure level of users to particulate matter generated by the use of electrocautery surgery, laser surgery, and other electric medical equipment. Particulate matter generated during electrocautery, laser surgery and other electric medical equipment;
4. Designed to provide a barrier to blood and other infectious fluids - synthetic blood sprayed into the mask at a pressure of 80mmHg should not penetrate the inside of the mask;
5. Used for occupational respiratory protection for healthcare workers against certain disease-causing Microbial particles (such as viruses, bacteria, molds, anthrax bacilli, tuberculosis, etc.).
Expanded Information
NIOSH Approved
Other NIOSH-approved antiparticulate masks include N95, N99, N100, R95, R99, R100, P95, P99, P100, and ****9 other levels. All of these levels of protection are able to cover the range of N95.
"N" means not resistant to oil, suitable for non-oil particles, no time limit for use.
"R" means resistant to oil, suitable for oily or non-oily particles, if used for the protection of oily particles, the use time does not exceed 8 hours.
"P" stands for oil proof, suitable for oily or non-oily particulate matter, if used for oily particulate matter, the use time should follow the manufacturer's recommendations.
"95", "99" and "100" are the filtration efficiency levels when tested with 0.3 micron particles. "95" indicates a filtration efficiency of 95% or more, "99" indicates a filtration efficiency of 99% or more, and "100" indicates a filtration efficiency of 99.7% or more.
Baidu Encyclopedia-N95 Mask
3M Official Website-1860 N95 Medical Mask