GUOZHONG INTERNATIONAL LIMITED
GUOZHONG INTERNATIONAL LIMITED
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Other NIOSH certified respirators include N95, N99, N100, R95, R99, R100, P95, P99, and P100.These levels of protection can cover the protection range of N95.
"N" stands for not resistant to oil, suitable for non-oily particles.
"R" stands for oil resistant to oil, suitable for oily or non-oily particles. If used for protection of oily particles, the use time should not exceed 8 hours.
"P" stands for oil proof, suitable for oily or non-oily particles, if used for oily particles, the use time should follow the manufacturer's recommendations.
"95", "99" and "100" refer to the filtration efficiency level when tested with 0.3 micron particles."95" means the filtration efficiency is above 95%, "99" means the filtration efficiency is above 99%, and "100" means the filtration efficiency is above 99.7%.
Choose a qualified mask
When choosing a mask, look at whether there is a product name on the package, whether there is information of the manufacturer or the supplier, whether there is a mask certificate or instructions.Disposable masks should also be labeled as disposable, and medical respirators that are reused should be labeled as sterile.Generally speaking, the general gauze mask should be marked is the general level or disinfection level.Mask materials should not smell, and harmless to the human body, especially the human face contact part of the material, should not irritant and irritability.
Replace the mask when:
1.When respiratory impedance increases significantly;
2.When the mask is broken or damaged;
3.The mask is not in close contact with the face;
4.The mask is contaminated (if there is blood or droplets);
5.The mask has been contaminated (it has been used in individual wards or in contact with patients);
6.If it contains activated carbon mask, when the mask smells;
7.Masks are used for longer than recommended.
