Protective masks national standards
Dreamy F www.china-disposable.com 2016-04-28 17:25:21
The AQSIQ and the State Standardization Administration yesterday issued a "daily protection masks technical specifications" national standard, and this year will be officially implemented on November 1st.This is China's first national standards for civil protection masks, protective masks national standard implementation means cohabitation respirator market will be eliminated.It is understood that for fine particulate matter (PM2.5) protective effect and safety performance is wearing "masks daily protection technical specifications" of the two key indicators.The standard applies to filter out particulate matter wear protective masks in the daily life of air pollution.Wherein the protective effect level is set according to the categories of the national air quality standards for air quality, protective effect level from low to high in turn divided into D grade, C grade,B grade , A grade.
At the same time the requirements of national standards, masks should be able to cover your nose and mouth are secure, there should be no sharp corners and sharp edges can be touched, the factors of formaldehyde, dyes, and other microbes that may be of harm, the standard has done a detailed provisions .Taking into account the safety of the wearer when walking, standard horizons below the mask should not be less than 60 degrees to avoid the excessive influence of design masks arch wearer's line of sight.
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