Thank you so much!! Alcohol can cause crazing or stiffening in some plastics, so I worried about potential foams in the filters. In fact, that was covered by y

Thank you so much!! Alcohol can cause crazing or stiffening in some plastics, so I worried about potential foams in the filters. In fact, that was covered by your article: 2. The disinfection method of spraying alcohol on the mask will destroy the electrostatic absorption of the mask, causing filtering efficiency of the mask lowering below 95%.