Disposable medical masks are suitable for covering the user's mouth, nose and jaw, and are used in ordinary medical environments to block disposable masks that block the exhalation or exhalation of pollutants from the oral and nasal cavities. After the mask is worn, it should be able to cover the wearer's mouth, nose and chin. It should conform to the planned size, and the large deviation should not exceed ±5%.
The appearance of the mask should be neat, the shape is intact, and the surface should not be damaged or stained. Be sure to wear masks in a standardized way. After the wholesale of disposable medical masks, when wearing a mask, you must first fully open the arc-reserved layer of the mask, then fix the mask on the human face through the ear straps, and then wrap the mouth and nose down and other parts. Hold, and then squeeze the metal strip of the mask on the bridge of the nose firmly, so that the mask fits the bridge of the nose, and then adjust the tightness of the chin.
The matching medical mask is divided into three layers, the outer layer is the main compartment, the center is the filter layer, and the inner layer is the moisture-absorbing layer. The inside of the medical mask is dry. At this time, if the mask is turned upside down, the gas we exhale cannot be absorbed effectively, then the mask is very wet and loses its protective effect.
