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Product details

   Maintenance：

    The outer layer of dust masks tend to accumulate a lot of dust in the air outside, bacteria and other contaminants, while the inner layer blocking the exhaled bacteria, saliva, so both sides can not be used interchangeably with the outer layer of contaminated soil will be in direct when inhaled close to the face, while a source of infection.

   When not wearing masks, should be folded into the envelope clean and close to the nose and mouth of a face in the folded, should not casually into the pocket or hung around the neck.
   If hot air is exhaled dust masks or wet saliva, bacteria and its barrier effect will be greatly reduced. So, usually best to prepare a few masks to replace the use, it should be changed once a day. Washing should be scalded with boiling water for 5 minutes.
Dust masks should adhere to cleaned and disinfected every day, whether it is the air filter masks gauze masks or heating methods can be used for disinfection. Specifically:
   1. Clean. First gently rub gauze masks with warm water and soap, bowl-shaped mask with a soft brush dipped in lightly brushing detergent, then washed with water. Note, do not rub hard, because if the latitude and longitude of the gap is too large gauze lost discourage droplets role.
   2. disinfection. The clean mask on a 2% peracetic acid solution soak for 30 minutes or cook for 20 minutes in boiling water or in the steamer and steam for 15 minutes, then dry spare. This method is suitable gauze masks and mask bowl.
   3. Check. Before using again, you should carefully check the mask and the mask is still intact, for gauze masks and mask transmittance test method can take that to get the headlights look after, see if there are obvious points of light, middle and edge portions of the transparent part rate is not the same, if in doubt to be replaced new. In any case, masks and mask cleaning 3-7 times after the general will update, particularly good quality masks can be washed 10 times. Activated carbon adsorption masks should pay attention to regular replacement of the activated carbon sandwich, if dissection is not replaceable activated carbon, used 7-14 days to be replaced, this mask is not cleaned before reuse.while the inner layer blocking the exhaled bacteria, saliva, and therefore, can not be on both sides alternately make.