Cotton gauze mask: It can prevent part of the virus from invading, but it has poor adhesion to the human face and low anti-virus efficiency. Common cotton yarn masks are fiber masks. The principle of blocking the cotton yarn mask is a mechanical barrier. Through this layer of mechanical blocking, the cotton yarn mask can block large particles, but cannot block particles smaller than 5 microns in diameter.
Face Mask Hygiene products to filter air entering nose and nose Face Mask is a sanitary product, generally refers to the device worn on the nose and nose to filter the air entering the nose and nose to prevent harmful gases, odors, droplets from entering and exiting the wearer's nose and nose, made of gauze or paper . Face Mask has a certain filtering effect on the air that enters the lungs. When respiratory infectious diseases are prevalent, wearing Face Mask has a very good effect when working in polluted environments such as dust. Face Mask can be divided into Air Filter Face Mask and Air Supply Face Mask.