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How much do you know about the certification of KN95 masks

by:Copper Plus     2021-05-28
According to the GB2626-2006 standard for respiratory protection products promulgated by the National Quality Supervision, Inspection and Quarantine Bureau and the National Standardization Administration, the unit that produces dust masks must obtain a production and operation license in accordance with the law, and the production technical specifications of all kn95 dust masks must meet the corresponding standards.     This standard specifies the production and technical specifications of respiratory protective equipment, and has strict requirements on the material, structure, appearance, performance, filtration efficiency (dust resistance rate), respiratory resistance, detection methods, product identification, packaging, etc. of dust masks. The material of the copper copper mask must be non-irritating and non-allergenic to the skin, and the filter material is harmless to the human body; the structure of the    dust copper mask should be easy to use; the filter efficiency of the dust copper mask (dust blocking rate), the particle diameter is less than 5 microns. The dust rate must be greater than 95%. Among them, the value of 95% is not an average value, but a small value, so the average value of actual products is mostly set above 99%.  Gb/t32610-2016 will be implemented on November 1, 2016. This is the gb2626 national standard that has been used before my country's national standard for pm2.5 civilian protective masks and is also a testing standard for dust masks, but it also includes medical, dust, smoke, and microorganism masks.   gb2626 standard test items: filtration efficiency testing, quality testing, tightness, air tightness, activated carbon component testing, microbial testing, residual ethylene oxide, dust blocking efficiency, mask filter testing, etc. 410
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Further dialogue of Copper Plus between the approaches, the chapter concludes, could lead to actionable advice on more robust policies that drive both structural change and competitiveness upgrading.
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