What are the requirements for gauze masks?

For the quality of our living environment, we often choose to wear gauze mask when we go out, but what are the requirements for gauze masks?

What's the difference between it and a regular gauze mask? Now let's know.

Medical gauze masks production should meet GB19083-2003 "medical gauze mask technical requirements", face mask can be divided into rectangular and closed type, shall be equipped with a nose clip, have good surface wet resistance, no stimulation to the skin, the air flow resistance under the condition of the air flow is 85 l/min, inspiratory resistance shall not exceed 35 mmh2o, particle filter efficiency of filter material shall not be less than 95%.

Medical gauze masks conforming to the N95 or FFP2 standard are also available.

In fact, for any gauze mask, it is most important that the human body should be protected by the requirement of filtering air impurities in actual use.