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How to choose masks in daily life

Issuing time:2020-04-18 05:07


1、 Dust resistance efficiency            The efficiency of respirator is based on its barrier efficiency to fine dust, especially to respirable dust under 2.5 μ M. Because this particle size dust can directly enter the alveoli, which has an impact on human health. Dust mask is composed of filter material active carbon fiber felt pad or non-woven fabric, and the respirable dust less than 2.5 μ m is in the process of passing through the filter material.         

  2、 Degree of cohesion            The side leakage prevention design of respirator is to prevent air from being inhaled through the gap between respirator and human face without filtering. Air, like water, flows first where there is little resistance. When the shape of the mask is not close to the face, the dangerous substances in the air will leak into the respiratory tract from the non close place. Well, even if you choose the best filter. There is no guarantee of your health. According to many foreign regulations and standards, workers should regularly test the tightness of masks. The purpose is for the workers to select the appropriate masks and wear them according to the correct procedures.         

  3、 Comfortable to wear            In this way, workers will be willing to wear and improve their work efficiency in the workplace. At present, the maintenance free masks in foreign countries do not need to be cleaned or replaced. When the dust resistance is saturated or the masks are damaged, they will be discarded. In this way, the time and energy for workers to maintain the masks will be saved. And many masks adopt arch shape, which can not only fit well with the shape of the face, but also reserve a certain space at the mouth and nose, so they are comfortable to wear.

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