Precautions for use of Non-Medical Disposable Face Mask :
1. The use time of non-disposable masks is not fixed, but should be decided according to the actual situation. If the 3m mask is only worn for two hours a day, and there is no deformation, damage, etc., it can often take 4-5 days, but if it is in the hospital or exposed to infectious pollutants, it is best to wear it once and then throw it away.
2. Most masks can be divided into disposable masks and non-disposable masks. Disposable masks, as the name suggests, can only be used once and cannot be reused. After use, they must be thrown away, while very disposable masks can be used multiple times. Yes, but many people still don't know the exact time that it can be used.
3. In fact, the use time of non-disposable masks is determined according to the actual situation, and there is no fixed time and number of times. For example, a 3m mask is only worn for two hours without damage or deformation, and the breathing resistance is normal. , then it can be reused even on the second day, generally, 4-5 days is no problem.
4. However, if this kind of mask is used in the hospital or comes into contact with infectious pollutants, it is best not to reuse it. It should be thrown away after one use. There are also some masks made of cotton fabrics. It can be cleaned and can generally be used many times, but if it is damaged, it must be replaced in time.