The first civilian mask next month to teach you how to choose a mask – Sohu news-ekdv-273

The first national protective mask next month to teach you how to choose a mask – Sohu news map. Beijing people walking in the haze. Beijing, China News Agency, Beijing, October Li Bojing (Qiu Yu) winter approaching, fog and haze frequently occur, how to choose a reassuring mask has become a matter of concern to many people 31. In November 1st, the first civilian respirator national standard — "China Daily" technical specification for protective masks (hereinafter referred to as the "standard") will be formally implemented, the standard of fine particulate matter (PM2.5) safety protection effect and wear made clear. Mask market chaos: exaggerated imitation brand in the filtration efficiency of the "norm" before the implementation, not a specific protective mask related standards of ordinary people. At present, our country about the mask standard "respiratory protective equipment self absorption filter particle respirator masks" "technical requirements", "surgical masks", but belongs to the labor protection and medical protection standards. Recently, the reporter in Jingdong, Tmall and other electronic business platform to anti fog and haze masks for keyword search found that the implementation of different brand masks different standards. Some of the above domestic standards, some of the implementation of foreign standards, as well as some masks have not been marked. Many masks in the eye-catching position of the packaging printed on the filter efficiency". But the media exposed this month, a supermarket in Beijing several declared that "the high removal rate of more than 90%" mask after testing, the actual removal rate of only 30% to 40%. According to the Shanghai Quality Supervision Bureau disclosed in March this year, according to Shanghai city from production enterprises, entity shop and shop sales of 69 batches of samples were detected, the lowest filtration efficiency of 54 batches of masks below 90%, 28 batches of masks containing carcinogenic formaldehyde. In addition to the standard is not unified, quality standards, the market still exists problem of brand masks. Guangzhou good cat Polytron Technologies Inc marketing director Cheng Xiqing for many years engaged in the purchase and sale of masks, he said, at present according to the best-selling brand of high imitation products on the market, even experienced sales are unable to discern the true and false."相关的主题文章: