There are three kinds of common masks in life: general cotton mask, disposable mask (such as medical surgical mask), N95 haze mask.
1. General cotton mask: the raw materials may be cotton, gauze, wool, canvas, cashmere, etc. because the raw materials themselves are not dense, they cannot prevent infection. Therefore, we suggest that you do not bring activated carbon masks, sponge masks, cotton masks.
2. Disposable mask (such as medical surgical mask): it can prevent respiratory tract infection to a certain extent, but cannot prevent haze. Please note that it is a medical surgical mask, not a general protective cleaning mask.
3. N95 mask: it can effectively prevent respiratory tract infection and haze. Try to choose N95 mask without breathing valve.
Meta analysis showed that there was no significant difference between N95 protective mask and medical surgical mask in the prevention of infectious acute respiratory infection in clinical environment. But at the same time, the N95 mask is better.
That is to say, [for the purpose of self-protection and reducing the risk of respiratory tract infection, it is OK to wear two kinds of masks at the back (medical surgical mask and N95 mask).]
You can choose according to your personal needs and economic conditions.
It is necessary to wear a mask, and it must be worn correctly.
Harbin mask manufacturer
Harbin mask manufacturers talk about the effect of activated carbon masks
1. It has the effect of anti-virus, deodorization, bacteria filtration and dust prevention.
2. Especially suitable for containing organic gases, acid volatiles, pesticides, sulfur dioxide and other irritant gas occasions, anti-virus, deodorization effect is remarkable.
3. It can effectively prevent the dust that the general mask can not work and a variety of pathogens transmitted by the respiratory tract. It is an ideal protective equipment for medical work, chemical work, spraying workshop, leather industry and environmental sanitation units.
4. Activated carbon mask can effectively isolate benzene, ammonia, formaldehyde, peculiar smell, malodor and other harmful gases in the air to protect human health. It has stronger adsorption than ordinary masks. Its filtering effect for harmful gases and liquids is 30 times that of ordinary masks.
The activated carbon component in the activated carbon mask has strong adsorption performance, and can adsorb gas (impurities and harmful substances in the air), liquid or colloidal solid on the surface of the activated carbon mask; For gas and liquid, the mass of adsorbed material of activated carbon mask is close to that of activated carbon itself.
How long does the activated carbon mask last
The activated carbon mask can be used for about one hour in the newly decorated environment; It can be used for three or four days in a relatively clean environment; If it is in a very clean environment, it can be used for one month. Because the activated carbon mask is physically absorbed, it can be absorbed no matter whether it is good or bad, and it will be full quickly. Even if it looks very new, it is useless to be full.
May 13, 2021
