What must be said about 3M Nasikang series masks and 3M PM2.5 particulate protective masks

The discussion about air pollution triggered by “Under the Dome” continues to heat up. More people have begun to focus their attention on how to protect against haze in their daily lives. Speaking of anti-smog, the easiest thing to think of is to wear an anti-PM2.5 mask when going out.
3M produces a number of series of mask products, and according to their use, the mask products are mainly divided into four categories: PM2.5 particulate protective masks, Shikang comfortable and warm masks, Shikang comfortable masks and medical surgical masks.
At present, the PM2.5 particulate protective masks sold on 3M official electronic channels are: 9001V, 9002V, 9501, 9502, 9031, 9033, 9501V, 9502V. Its main function: anti-particulate masks can filter all kinds of particles suspended in the air, from coarse sand and dust, to fine dust, smoke, and smoke generated in various production processes, to air pollutants PM2.5, and also include Small pathogenic microorganisms (such as influenza virus or tuberculosis bacillus).

The 3M Nasikang series of masks sold on 3M official electronic channels include: 3M Nasikang comfortable masks and 3M Nasikang comfortable warm masks. Its main function: 3M Nasikang comfortable warmth mask uses 3M Thinsulate? technology insulation material, which is used for daily cold protection and warmth. 3M Nasikang Comfortable Masks are used for personal hygiene and are comfortable to wear. They help protect against large particles and do not protect against PM2.5.
Some questions about 3M Naisikang comfortable thermal masks and 3M PM2.5 particulate protective masks

Q1: What is the difference between PM2.5 particulate protective masks and ordinary thermal masks? Does Nasikang Comfortable Thermal Mask have the effect of preventing PM2.5? Expert answer: The difference between 3M particulate protective masks and ordinary thermal masks can be distinguished from the implementation standards, materials, functions and labels. Ordinary thermal masks do not follow the national standard GB2626-2006, are not PM2.5-proof, are generally non-woven materials, and have no standard logo on the cover. 3M Nasikang series masks are not PM2.5 resistant.
Q2: Are there corresponding national standards for ordinary thermal masks and cotton masks? Expert answer: If the mask belongs to the textile category, it must follow the textile technical specification GB 18401-2010.
Q3: How to choose a mask? Can you recommend a few effective masks? Expert answer: If you just want to keep warm, you can choose an ordinary thermal mask. If you want to protect against fine particles such as PM2.5, it is recommended to use a professional particulate protective mask. The 3M PM2.5 particulate protective masks currently on sale are implemented in accordance with the national standard GB2626-2006, and there are 2 levels, KN90 and KN95. Protective PM2.5, KN90 masks can be used as the most basic protection, such as 3M 9001V, 9002V, etc. If you have higher requirements for protection, you can choose KN95 grade 9501, 9502, etc.

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