Are FFP2 masks medical ?

  • Connexions
  • 2021-09-03
  • 1807

FFP masks refer to masks that meet the European standard (CEEN 1409-2001). The European standard of protective masks is divided into three levels: FFP1, FFP2 and FFP3. Different from the us standard, its detection flow rate is 95L/min, with DOP oil dust.  Both the European standard and the American standard, are designated to be tested using the American TSI-8130 Automated Filter Testers. NaCl method is used in American standard N, DOP method is used in R, DOP method is used in European standard. 

First: the efficiency of the mask to high dust. The dust resistance efficiency of a respirator is based on its resistance to fine dust, especially respirable dust less than 5 μm. General gauze masks, the principle of dust resistance is mechanical filtration, that is, when dust collides with gauze, some large particles of dust will be separated in gauze through layers of barrier. But fine dust, especially dust less than 5 μm, passes through the mesh of the gauze and enters the respiratory system. There are some anti-particulate masks on the market for sale, the filter material is made up of permanent electrostatic fiber, the respirable dust less than 5 μm through the process of this filter material, will be attracted by static electricity and adsorption on the filter material, really play a role in preventing dust.

Second: mask and face shape close to the degree of good. When the mask is not close to the face, dust in the air can enter the respiratory tract through the gap around the mask. Therefore, people should choose a mask suitable for their face shape and wear it correctly.

Third: wear comfortable, including small respiratory resistance, light weight, wearing health, convenient maintenance, such as wearing an arch anti-particulate mask.

How to wear a mask properly? How often should I change it?

In order to prevent infection, some people may wear a medical mask all day long, but this will make the nasal mucosa become fragile, lose the original physiological function of the nasal cavity, reduce resistance, therefore, in the population density is not high and ventilated places, can not wear a mask.

It should be reminded that the protective effect of any type of mask is time-effective and must be replaced regularly. It is recommended to change the mask every 2 to 4 hours. If a mask is contaminated, replace it as soon as possible.

Non-Medical masks are folded and stored in ziplock bags when not in use. It is not recommended to take off the mask and put it directly in the pocket or bag, as this will easily cause secondary pollution of the medical mask. Be sure to fold the mask and put it in a clean ziplike bag, and fold the side that contacts the mouth and nose inward.

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