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Talk about big health- The twenty-ninth phase - The Secret of The Mask

2022-11-02 09:15:07
Sharing a fresh Joke:


A small joke reveals the persistence and helplessness of the common people in epidemic prevention in the past three years. The epidemic has changed our lives. In contrast, the most common things we carry in our lives, in addition to mobile phones, are probably masks.

Masks are generally divided into three categories: disposable medical masks, surgical mask and N95 masks. Masks are treated as Class II medical devices in our country, and there are strict specifications and standards for production and sales. With the repeated waves of epidemics and the increasing demand for masks in the hardest-hit areas abroad, many companies see the business opportunities and want to get a piece of the pie. At this time, the marketing strategies of various manufacturers have diverged. Compared with the pure black and light blue colors before the epidemic, the current masks have obvious differences in both color and style.

Take the surgical mask ranked first on an e-commerce platform as an example, the size is 9.5cm*17cm, the material is BFE95+ grade meltblown cloth, the bacterial filtration efficiency is not less than 95%, and the product must meet the YY0469-2011 industry standard. When buying a mask, pay attention to check whether there is this standard. This is the industry standard of surgical mask standard. With this description, it is a regular product and can be worn on most occasions. Another standard is GB19083-2010. The implementation of this standard is currently the strongest on the market. It is the national standard in China and usually applies to N95 masks.

The difference between children's masks and adult masks is mainly in size, generally 8.5cm*14.5cm.

There is also a type of mask that claims to be "antibacterial and antiviral". Generally, various antibacterial agents are added by blending, spraying, etc. The main additives include nano-titanium dioxide, nano-silver, quaternary ammonium salt, copper ion/copper oxide, traditional Chinese medicine, etc. On April 13, the National Medical Products Administration issued an announcement prompting that “the safety and effectiveness of such products should be fully researched and verified. Under the premise that the clinical effectiveness has not been fully verified, the addition of antibacterial agents will introduce new risks. The risk-benefit ratio of continuous and long-term use of such products is insufficient and does not yet have significant clinical significance. ” So, go back and remind your family that you don’t have to follow the trend. Buying regular surgical masks or disposable medical masks is enough for daily use. Of course, N95 is still the best choice.

Finally, regarding all kinds of beautiful girl masks, please pay attention to girls who love beauty. These 3D three-dimensional protective masks are usually not medical surgical standards and cannot effectively prevent the new COVID - 19. Be careful when choosing.

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