Disposable masks are divided into disposable masks, disposable non-woven cloth masks, disposable masks, disposable activated carbon masks. Disposable non-woven cloth mask is made of two layers of non-woven cloth and filter paper;The disposable three-layer mask is made of two layers of professional non-woven fabric used in medical care, with an additional layer in the middle to filter and prevent bacteria up to 99% of the filter dissolved spray cloth, which is welded by ultrasonic wave.Filtering effect up to 99% B.F.E is particularly suitable for electronic plants;Disposable activated carbon mask is the surface layer of 28 grams of non-woven cloth, the middle of the first layer is the use of anti-bacteria filter paper to filter bacteria up to 99% to play a role in anti-bacteria, to prevent virus damage;The middle second layer is made of activated carbon fiber and activated carbon cloth, which are new effective adsorption and filtration materials.

The outer layer of disposable mask often accumulates a lot of dirt in the outside air, bacterium waits for dirt, and the inner layer is blocking the bacterium that exhales, saliva, accordingly, two sides cannot be used alternately, the dirt that can be contaminated with outer layer is inhaled human body when clingy face directly, and become contagion source.When the mask is not worn, it should be folded and put into a clean envelope. The mask should be folded close to the mouth and nose.