Li said that she thinks that the Spunbond nonwoven Factory effect should be a disposable mask, other should be all It's almost the same, but she personally prefers the cute mask because it looks more beautiful. The trace of black toner can be clearly seen in the air .5 microns.5 refers to particles in the atmosphere with a diameter of less than or equal to 2.
However, when the reporter visited the purchase, he found that there were no 3M masks in many pharmacies and some stores selling cartoon fashion masks. Wearing them for a long time can easily induce bronchitis, skin allergies and other diseases, which may cause certain effects on the human body. Cartoon cute masks are more popular with the public.5\\) have become the main pollutants. After cutting, it was found to be composed of two layers, but the adsorbed toner did not fall down.
The outermost tissue is also the cleanest, and the filterability is good, so it ranks first. If they are not strictly sterilized, unhygienic cartoon masks are prone to irritate the respiratory tract and skin. But remember not to turn off 24 hours a day, because some people will carry a little bacteria and other substances when entering and leaving the house. If you do not open the window for a long time to ventilate, the content of bacteria in the room will gradually increase, even the content will not be lower than the outdoor. Ordinary absorbent gauze masks are thick enough to be composed of multiple layers of gauze, so the effect of resisting dust intrusion is also good. When the reporter cut open the No.
The reporter found that although the mask and tissues turned black in No. 2 mask can see the toner penetrating through the mask and the paper towel floating out when the hair dryer is turned on. It is worth noting that when the reporter cut the opening mask, the toner originally adsorbed on the mask immediately spilled on the table, and the hand of the reporter also became a 'big flower hand' like a cartoon mask turned into a 'big cat'