Under normal circumstances, disposable masks are replaced every 8 hours and cannot be reused. The disposable mask is made of more than three layers of 28 grams of non-woven fabric; the nose bridge is made of environmentally friendly all-plastic strips, does not contain any metal, and is equipped with breathable and comfortable, especially suitable for electronic factories and daily life. Among them, disposable medical surgical masks can prevent respiratory infections to a certain extent. It is made of two layers of non-woven fabrics and filter paper. It is made of two layers of fiber non-woven fabrics professionally used in medical and health care. More than 99% of the anti-bacterial filter solution spray cloth is made by ultrasonic welding.
It is necessary to remind everyone that there are various disposable masks, and they must be selected according to different operating needs and working conditions. For example, during an epidemic, you must choose a medical surgical mask, and you should pay attention to the correct wearing method. Wash your hands first. When wearing, hold the ear strap with both hands, the dark side is outside and the inside is light. Put the side of the mask with a wire (a small piece of hard) on the nose, squeeze the wire according to your nose shape, and then pull the mask body completely down so that the mask completely covers the mouth and nose. In addition, such masks should be used within the validity period, only for one-time use, and should be destroyed after use; if the mask packaging is damaged, it should be prohibited.