■13 kinds of masks were spot-check by Beijing AIC and found unqualified
Recently, the Beijing Municipal Bureau of industry and Commerce conducted a random inspection on the quality of masks sold in Beijing, and found that 13 types of masks were unqualified in terms of filtration efficiency, protection effect and leakage rate. The industrial and commercial bureau reminds consumers to pay attention to whether they fit with their faces in the purchase process
■ Tips for choose mask
The industrial and commercial departments suggested that when purchasing, they should choose regular merchants with good reputation and complete certificates. We should not only contact the factory, but also check the production date and effective date. It should also be noted that the product packaging is intact, the product surface is not damaged or deformed, and the components such as exhalation valve are firmly assembled without falling off, damage and deformation. Whether the mask fits the face should also be considered.
■ New standard for Anti-haze mask in 2016
In order to meet the needs of ordinary people for haze protection and selection convenience, the General Administration of quality supervision, inspection and Quarantine of the peoples Republic of China and the National Standardization Administration issued the national standard for haze protection - GB / t32610-2016 "technical specification for daily protective masks". The standard synthesizes the indexes of filtration efficiency and leakage rate of masks, and specifies the requirements of protective effect indexes of masks. According to the different protection effects, masks are classified into a, B, C and D levels.
■ ZK-BEST class a mask passed the national spot-check
In the national sampling inspection of mask products organized by the General Administration of quality supervision, inspection and quarantine in 2017, through the inspection of authoritative organizations, the Class-A protective masks of China kebeisida meet the requirements of the highest level a in the new national standard, and the spot check is qualified.