How long can a disposable face mask last?

During the 2019-ncov outbreak, it is necessary for us to keep wearing masks every day. It can bring great convenience to our life. Among all kinds of masks, disposable face mask is widely used because of its simplicity and cheapness. In smoky weather, wearing disposable face mask can prevent air pollution. In some areas with severe new coronavirus, children with poor immunity are vulnerable to virus infection. Wearing disposable face mask can help block the virus and go out. So, how much is a disposable face mask? How long can it last?

As for the amount of disposable face mask, in fact, the price of disposable face mask is not very expensive, its price is related to the manufacturer, packaging specifications and sales area. In short, the purchase of disposable face mask must be purchased in a regular hospital or clinic. , to avoid buying fakes, and affect the effect of use.

The disposable face mask has good air permeability, and can filter toxic gas, and can also play the role of heat preservation, water absorption and waterproof. It has certain flexibility, does not appear unkempt, and has a very good hand feeling and is quite soft. It has high elasticity and can be restored after stretching. The price is reasonable. However, it has some shortcomings. Disposable face mask is not reusable. Generally, they need to be replaced after 6-8 hours. Moreover, the two sides of the mask can not be used interchangeably, because the outer layer of the mask often accumulates a lot of dust, bacteria and other dirt in the outside air, while the inner layer blocks the exhaled bacteria and saliva. If the two sides are used alternately, it will Some dirt and other substances on the outer layer are directly attached to the nose and mouth, which will enter the human body through the respiratory tract and affect the health of the human body.

After using the mask, be careful to put it in a clean envelope, and when storing it, you should fold it in the face of the nose and mouth, and don’t just put it in the pocket or Hanging around the neck.

The above article is about how much a disposable face mask? How long can it be used? In addition, remind everyone to pay attention to the use of disposable face mask must be used within the validity period, expired should not be used, it can only be used once, must be destroyed after use. If you find that the package is damaged at the time of purchase, you must not buy or use it. Also pay attention to its production date when purchasing, and purchase it in the near future.