As masks become a must-have item when going out Various printed and dyed masks Becoming popular Compared with common medical masks Printed and dyed masks are more beautiful More options Become the focus of many people "Fashion items" On the web Someone carefully analyzed Mask color matching but Some people have also discovered "blind spots": This kind of mask really has Is it an epidemic prevention function? actually Determine whether a mask has anti-epidemic function The most important point is Look at the code! Regular mask packaging The implementation standard code should be marked The only ones who can truly meet the requirements of epidemic prevention are The five encodings are: Medical protective mask [GB19083 2010] Medical surgical mask【YY0469 2011】 Disposable medical mask【YY/T 0969 2013】 Daily protective masks [GB/T 32610 2016] Children's masks【GB/T 38880 2020】 in addition National regulations on civilian masks Regulations on the quality of dyeing and printing The color fastness of the inner and outer layers of the mask must not be lower than level 3 To prevent the dye from falling off and causing discomfort to the facial skin Dyeing and printing areas No degradable carcinogenic aromatic amine dyes therefore Not every mask that claims to be a "medical mask" Masks have an anti-epidemic effect Does your mask meet epidemic prevention standards? Remember to check it out! Have you ever worn a dyed printed mask? See the comments section! Source: CCTV.com Producer: Zhang Yue Editors: Zhou Zhe, Li Ang Internship: Man Xinglian |
<<: Recognize noise with a discerning eye and draw it!
>>: If 40 varieties of fruit grow on one tree, can they be delicious?
Produced by: Science Popularization China Author:...
Since Chinese medicine has fewer side effects, mo...
The world is full of wonders, and Chinese medicin...
I have loved animals since I was a child. I have ...
Grass carp gall is a common Chinese medicine in c...
The preparation of hawthorn and wolfberry tea is ...
Wolf meat is a very familiar medicinal material w...
Hilsa shad, razor fish and puffer fish are collec...
Q Could there be alien life on habitable planets?...
The medical value of Pileucaena oleifera is beyon...
Recently, a major study published in the Journal ...
Being able to better absorb the nutritional value...
At 02:06 in the morning of November 29, a white l...
Today, the most exciting astronomical phenomenon ...
In this era full of laughter and joy, every child...