'When the air pollution index is particularly high, people who have been engaged in outdoor operations for a long time can consider N95 masks,' Zhang Caiqing said, 'but it is not recommended to use them for a long time and in a wide range. 'When choosing a mask, you should also pay attention to the fit with the face,' Zhang Caiqing said.com/], welcome to register for free membership trial, contact information: 0791-82136875. Spunbond nonwoven Manufacturers Because the bacteria per unit area in the pocket may be more and more harmful than in the air. Zhang Caiqing also suggested that if the air quality is good, you can wear ordinary cotton masks; while in haze, medical disposable masks and 18-layer gauze masks can be selected. 'For example, cartoon masks that young people like, it is not recommended to wear them.
The effect of PM2.' Zhang Caiqing said that many of these masks are made of chemical fiber and have bright colors.5, just a little protection and strengthen daily cleaning and health care. But in general, Zhang Caiqing said that citizens do not need to be overly nervous about PM2. At the same time, it is also important to keep the mask clean.' Zhang Caiqing reminded the public not to take off their masks and throw them in their pockets.
If the mask does not fit around and there is a gap, then the haze can enter. 'It should be cleaned every day and scalded with boiling water.5 ignores the hygiene of the mask itself. In addition to daily protection, Zhang Caiqing said that it is better to pay attention to the material of the mask first while paying attention to whether the mask can prevent smog.. The dye itself may not meet the standard.' Not only that, Zhang Caiqing pointed out that many people are too concerned about whether masks are protected.
'The pore size is small, the fabric is dense, and the effect of isolating particulate matter will be better. 'You can bring a clean plastic bag with you, and every time you take off the mask, fold the side that touches your face in the plastic bag,' Zhang Caiqing said.The effect of activated carbon is difficult to determine, and N95 masks are not suitable for long-term wear by ordinary people..Under the premise that the country has not yet issued a unified standard for anti-fog masks, experts say that the key to choosing a mask is the pore size and density of the mask fabric..' Wang Yan said. At the same time, you should also try to buy masks from regular occasions, and pay attention to qualified signs
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