Non-woven cloth masks should be cleaned and disinfected daily, both gauze masks and air filter masks can be sterilized by heating. The specific approach is:
1. Cleaning. Gently knead the gauze mask with warm water and soap. The bowl mask can be gently brushed with a soft brush, and then washed with clean water. Please be careful not to rub, because if the warp and weft of the gauze is too large, it will lose the effect of preventing the foaming.
2. Disinfection. Soak the cleaned mask in 2% peroxyacetic acid solution for 30 minutes or boil in boiling water for 20 minutes or steam for 15 minutes, then let dry. This method is suitable for gauze mask and bowl mask.
3. Check. Again before use, should carefully check the mask and helmet is still in good condition, for gauze masks and mask can take pervious to light control method, the former care to get the lamp, see if there are any obvious spot, and edges in the middle of light transmittance is consistent, if in doubt will replace a new one. In any case, masks and masks are generally updated after cleaning 3 to 7 times and can be cleaned 10 times with a good quality mask. Activated carbon adsorption masks should pay attention to regular replacement of activated carbon sandwich, cannot be replaced if activated carbon interlining, used 7 to 14 days to be replaced, this mask is not repeat use after cleaning.