Analyses the respiration valve fold masks have what effect
What role does the breather valve is analysed fold masks masks everyone is familiar with, with the continuous improvement of science and technology level, the types of masks is also more and more in the market now, recently appeared on the market a breather valve fold masks, can have what effect does this kind of mask, disposable masks below small make up to simple introduce to the customers.
Breathing valve type fold masks dust efficiency of high and low for its of fine dust, especially for micro 5 meters below the dust efficiency as standard.
Because the particle size of dust can directly into the alveoli, the effects on the human body health.
General gauze masks and the principle of dust is a mechanical filter, which is when the dust into gauze, after -
Layer upon layer of blocks, will be cut off some of the large particles of dust in the gauze.
But for some fine dust, especially in less than 5 micron dust, will wear in the past, from the gauze mesh into the respiratory system.
With the outer layer of the valve face mask often built up a lot of outside dust, bacteria and other contaminants in the air, and the inner blocks the exhaled bacteria, saliva, therefore, the two sides can not be used interchangeably, otherwise will outer dirt stained in direct clingy facial when inhaled, and become a source of infection.
The masks in don't wear, should be folded into a clean inside the envelope, and will be close to the nose and mouth folded in a face, avoid by all means literally into a pocket or hanging around his neck.
With valve mask to the size of the suit, the way to the right, the masks will be effective.
Selling masks on the market generally divided into rectangle and goblet.
The structure of the rectangular masks at least three layers of paper to a protective role.
Users to put the mask on the wire on the bridge of the nose, down the bridge of the nose will be the whole mask out again to work efficiency.
Can let children wearing surgical masks rectangle, because it has no fixed shape, if well tie, can with the faces of children.
Cup mask is to ensure that the mask on the face after sufficient density, breathe out air is not leaked to be effective.
When wearing a cup shape face mask, but will try to blow his hands covered with masks, check whether there is air leakage from mask edge, if masks cover is not tight, to readjust the position after worn.
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