How to check the quality of masks
If the mask is wet from exhaled hot air or saliva, it is much less effective in keeping out germs.It is very important to learn how to properly check the quality of your mask.
The first thing to do is to investigate the mask, to see if it's color, if it's flat, to check for light transmission; then to try the feel.When you buy a mask, you can smell it to see if there is an odor, if there is an odor, such a mask is still try not to pick the right one.
In any case, facemasks and masks will generally need to be renewed after 3 to 7 washings, and particularly good quality masks can be washed 10 times.
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