In the winter season is air pollution.
5 has been extraordinary, we should popularize the knowledge of anti fog mask
: first, to correct a mistake: the gauze masks when the particulate respirator use, is the use of the particulate respirator's biggest mistake.
Gauze mask is not a respirator.
The government as early as 2000 expressly prohibited with gauze masks for workplace dust.
Respirator of two is the key technical index filtration efficiency and the ability to mask from polluted air, gauze mask filtration efficiency is very low, not only mask also exist obvious leakage, with respirator mask to determine the suitability of test methods, everyone can see this right away.
Some people think that there is a little protection is better than not, but if it is not effective, it should not be used.
Good anti particles mask is suitable for the user not only, more should have a certain comfort and durability, performance in respiratory resistance increased slowly,
Large amount of dust capacity)
Light, masks, head, it's not easy to loose, mask is not easy to play, nose clip, or head, fixed firmly, without irritating to the skin, etc.
Ps drugstore buy medical disposable masks are no dice.
Activated carbon masks don't add dustproof effect.
Activated carbon increased only for some peculiar smell of deduction.
In protective particles on the performance, there is no difference with or without carbon, can be deducted from the smell of the activated carbon mask did not increase the protection of particulate matter.
Particle concentration in different environment, different particle properties are different, the use time of each person is different, all kinds of the particulate mask let dust quantity is different, and different method of use, storage, these will affect the service life of the mask, so there is no way to unified regulation concrete replacement time.
When the particulate mask any of the components damaged, and feel the breathing resistance increased obviously, should scrap the whole mask.
Whether gas or dust, no filter components should be washed, otherwise it will destroy the filter element.
The particulate matter masks may not be clean.
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