Nowadays more and more choose to wear masks in daily life when their going out in order to prevent the harm of haze, so masks become our life necessary products and do you know some knowledge related to masks? Next let me inform you of the classifications and functions of commonly used mask as follows.

First of all, cotton masks. These kinds of cotton masks were ever the main part of mask markets and the main functions of them are to prevent cold and keep warm as well as avoid cold air directly stimulating respiratory tract. Besides, cotton masks have very good breathability.

Secondly, nonwoven masks for medical use. These kinds of nonwoven masks were originated from SARS and started to quickly enter into ordinary families. Furthermore, these nonwoven masks can be effective to prevent bacteria.

Thirdly, activated charcoal masks. Activated carbon is added within masks interlayer and has very strong adsorption capacity as well as can be effective to prevent bacteria and dust. However, it is difficult to breathe normally when wearing these kinds of activated charcoal masks and frequenting wearing them will be easily short of oxygen.

Fourthly, dust protecting masks. These kinds of dust protecting masks are with cup shape and can be effectively attached to the positions of nose and mouth to reach the purpose of dust protecting effect.

Finally, N95 and above types masks. N95 is one of the dust protecting masks and can be widely used in our daily life when the haze is very severe.

All in all, I really hope that all above information can be useful and helpful to all of you, many thanks!