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.
Cotton Face Mask are mainly used in manufacturing, and the material is soft and comfortable. Cotton Face Mask material: cotton, gauze, wool, canvas and velvet.