PPE

the new “national standard” for civil masks was implemented on January 1, and some pharmacies in Linyi did not arrive

As the weather turns cold, more and more people in Linyi are wearing masks. The mask can not only keep cold and warm, but also prevent the spread of germs. 1n recent years, haze has become the focus of social attention. Due to the lack of a unified standard, the products on the market are mixed, and it has become an urgent need for many citizens to find masks that can really prevent haze. On November 1, the national standard for protective masks for civilian use, the technical specification for daily protective masks, was officially implemented. 1n the future, there will be standards for the purchase and production of masks

the masks originally sold were not taken off the shelves

on the 1st, in a drugstore on the east section of jinqueshan Road, the reporter found that there were nearly 10 kinds of masks in the drugstore’s mask counter. Varieties include ordinary cotton masks, disposable medical masks, N95 masks, anti haze masks, etc. 1ts price ranges from a few yuan to dozens of yuan. Among them, as long as the mask with the words “anti haze” on the package, its price is significantly higher than that of ordinary masks, and the price is generally more than 20 yuan

according to the staff, she has learned about the “national standard” of civil masks, but at present, the “national standard” masks have not arrived, and the masks originally sold have not been taken off the shelves

from the perspective of external packaging, the implementation standards of various masks are different, including yzb. The reporter learned that before, most of the standards for masks in the market were enterprise standards, some of them were industrial masks standard of “respiratory protective equipment self-priming filter anti particulate respirator”, and some of them were medical products standard of “technical requirements for medical protective masks”. The market signs were confused, and there was no unified evaluation standard

at a drugstore on Yizhou Road, Ms. song, a citizen, is shopping for masks. Ms. Song told reporters that she bought masks simply based on the outer packaging of the masks. She also bought disposable medical masks and anti haze masks before” 1n particular, there is no unified production standard for anti haze masks. 1t’s really unclear for consumers whether they can really play the role of anti haze. ” Ms. Song said

the haze prevention effect of ordinary medical masks is not great

“before the industrial mask standards have been issued, now the national standards for civil protective masks have been issued, so that mask manufacturers and consumers have a unified standard and basis for purchasing.” Li Hui, chairman of Linyi xinminghui Safety Technology Co., Ltd., who has been engaged in labor protection mask business for 13 years, said< According to Li Hui, there are strict differences and restrictions between industrial masks and civil masks. Generally speaking, industrial masks can protect pm0.3, that is, particles with a diameter of 0.3 μ m, while civilian masks can protect PM2.5, that is, particles with a diameter o2.5 μ M. From this point of view, the implementation standard of industrial masks is higher than that of civil masks, but there are strict differences in structure, wearing time and so on. Therefore, it can not be simply said that ordinary people can wear industrial masks in order to prevent haze. Li Hui said that after the introduction of the new "national standard" for civil use, it can promote industrial norms, and the industrial and civil standards can "perform their respective duties" Li Hui told reporters that whether the mask can prevent haze is mainly determined by its structure. Medical disposable masks can prevent saliva splashing and keep warm; Ordinary cotton masks mainly play a role in keeping warm, but they have little effect in preventing haze< According to Li Hui, the users of the new "national standard" of masks are ordinary people except children" The reason why children are excluded is that children are in a period of growth and development, and their physical characteristics are quite different, so they can not be applied to the standards of adults. "< 1t is understood that according to the new "national standard", the protective effect of masks can be divided into four levels: A, B, C and D; The corresponding protective effects at all levels were not less than 90%, 85%, 75% and 65% respectively; The applicable air quality index categories at all levels are: serious pollution, serious and below pollution, severe and below pollution, moderate and below pollution. According to the new "national standard", the mask can reduce the concentration of PM2.5 inhaled to less than 75 micrograms per cubic meter after wearing, so that the air quality inhaled after filtering can reach the level of good or above “now that consumers have a basis to judge when they buy masks, they will not choose blindly.” According to a person in the industry, after the implementation of the new “national standard”, consumers can choose appropriate masks to wear according to the air pollution and the protection level of the masks “when choosing a suitable mask, the public should consider the filter efficiency, tightness and comfort of the mask.” 1ndustry insiders said that the filtration efficiency is related to the material structure, and the tightness is whether the mask can fit closely with the face. 1n addition, comfort is also an aspect for consumers to refer to, and they should let themselves breathe more smoothly. “Consumers should choose masks produced by regular and qualified enterprises when buying masks, and don’t blindly buy expensive ones.”

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