"N95" is simple and easy to remember, it is widely spoken, including the current wording of the media and many hospitals often use "N95" to refer to "medical protective masks", what is KN95 mask?KN95 mask supplier will explain.
Need to meet or exceed the following standards
I. Protective masks
1. Medical protective masks: in line with China GB 19083-2010.
2. N95 mask: the United States NIOSH certification, non-oil particulate filtration efficiency ≥ 95%.
3. European N95 masks: European FFP2 standard.
4.KN95 mask: comply with China GB 2626 mandatory standards, non-oil particulate filtering efficiency ≥ 95%.
Health care workers must use medical protective masks in the following cases.
① Close contact with infected patients.
② To carry out operations that may produce aerosols, such as suction, intubation, etc.
③ Operations with the possibility of splashing body fluids, etc.
In other cases, N95 and KN95 masks can be worn. The key to wearing a mask is to have a tight fit with the face, that is, no air leakage! Can not use the protective mask with respirator!
Second, surgical masks
Comply with yy 0469-2011 medical surgical masks.
In addition, the National Health Construction Commission Bureau of Disease Prevention and Control issued on January 31, "on the issuance of new coronavirus infection of different risk groups protection guidelines and prevention of new coronavirus infection of pneumonia masks use guidelines," the notice pointed out that KN95/N95 and above particulate protection masks: protection effect is better than medical surgical masks, single-use medical masks, recommended for field investigation, sampling and testing personnel, the public in highly crowded places or confined public places can also be worn.
Specific scenarios for wearing KN95/N95 and above particulate protection masks include: in crowded public transportation places and when riding on transportation; when others enter the living space of home isolation personnel, do not touch and adjust the mask during the period; when conducting investigation of suspected and confirmed cases; for specimen collection personnel, biosafety laboratory staff; for environmental cleaning and disinfection personnel, corpse disposal personnel.
In addition, for public transportation drivers, cab drivers, public place service personnel, armed police, traffic police, security personnel, media reporters, couriers and other industry personnel, because of the daily contact with more people, there is a risk of infection, their units should be equipped with single-use medical masks or medical surgical masks or KN95/N95 and above particulate protection masks.
In the current situation of epidemic prevention and control, the local supply of masks exceeds the demand.
How many times can the common disposable masks be used in the end?
Common disposable masks, in principle, single-use products, are "use and discard".
As long as disposable masks are used in non-hospital and clinic life scenarios, such disposable masks can be used two to three times, but it is not recommended to use them too many times. For example, in the community inside and outside for a walk, this use of conditions, take off the mask after returning home, placed in a ventilated environment, natural drying or drying the moisture, and prevent the accumulation of surface flora, you can again for my use.
The microfiber material of the disposable mask is "blue outside and white inside": the outer blue layer has water-repelling properties with a lotus leaf effect; the inner white layer is water-absorbent and is "friendly" to the skin. Therefore, it is important to remember that "blue outside and white inside", otherwise it will be counterproductive and absorb the droplets instead.