Last month, the second sun, feel in the next long time, in order to our health, we also need to develop the good habit of wearing masks, masks will also become one of our essential items.
Now on the market not only a variety of masks, the price is also different, the following is a detailed description of the classification of masks.
In accordance with the management of medical devices, masks **** divided into three kinds, the level of protection of high and low ranking for the medical protective masks > surgical masks > medical masks (disposable medical masks), are in accordance with the management of class 2 medical device products. Ordinary gauze masks cotton, cloth masks are not managed as medical devices.
Masks in accordance with the functional classification of the following main types:
1, ordinary masks (non-medical):
such as cotton masks, activated charcoal masks, gauze masks, etc. can be used to prevent freezing, dust, part of the anti-mist, but can not be used to prevent bacteria, virus transmission.
2, ordinary medical masks:
Pathogenic microorganisms of the protective effect is not accurate, can be used for general environment of the disposable health care, or pathogenic microorganisms other than particles, such as pollen, blocking or protection. The protection is somewhat lower than medical surgical masks and can be used in non-intensive crowds.
3, medical surgical masks:
Protection is much better than the general class, before the hospital used more, commonly used in respiratory and surgical use, can be used to prevent the spread of germs and bacteria. It is suitable for the basic protection of medical personnel or related personnel, as well as protection to stop the spread of blood, body fluids and splashes during invasive operations.
4, KN95/N95:
N95 does not belong to the medical protective masks, generally contains N95 medical protective masks and N95 industrial masks.
Medical protective N95 masks, suitable for medical personnel and related staff of airborne respiratory infectious disease protection, high level of protection.N95 is the U.S. NIOSH dust mask standard, the domestic standard is KN95, the details of the parameters and the domestic KN95 consistent.
N95 mask anti-haze is more reliable, the main component of haze pm2.5 is non-oil particulate matter. At the same time can be used to protect bacteria and virus transmission, is currently able to buy the highest level of protection daily mask. KN95 and N95 just name is not the same, in accordance with the two standards produced by the mask protection level is exactly the same, the protective effect is no difference.
Their level of protection is: KN95/N95 masks ≈ medical surgical masks > ordinary medical masks > ordinary masks.
5, children's mask
Suitable for children 6-14 years old, according to the size of the face to choose. Fit the face, high airtightness, safe and comfortable.
Children's masks are also national standards, pay attention to the choice of children in line with the national standard GB/T 38880-2020, bacterial filtration efficiency ≥ 95% of the mask.
? When buying, be sure to look at the code (implementation of standards), do not have the unity not to buy?
In some occasions where the risk of viral infection is high, it is highly recommended to wear a medical protective mask, which is the mask with the highest protection specifications?