Can medical masks be used many times? Note when using
How many times can a medical mask be used? When the epidemic situation increases, many people buy and use masks. In particular, medical masks according to National Standard TCVN 8389-1:2010 are masks that can help users avoid dirt and prevent bacteria from droplets such as coughing and sneezing. Medical masks are usually flat, have folds, are made of non-woven fabrics, microfiltration layer, nose splints and straps. The two sides of the mask will have different colors, one dark side has color (blue, white, black, …) and the other side is usually white so you can distinguish and use it properly. Currently, on the market, there are 2 – 4 layer masks, which are waterproof. Depending on the thickness, the effect of preventing bacteria and dirt will be different. The most commonly used 3-layer medical mask. This is a mask that is not designed to be washed and can only be used once because once you take it off, bacteria and dirt on the outside clinging to the mask will...