Experts explain the masks three standard recommended masks do not directly hang on the ears

Affected by the fog and air quality in some areas, masks began to sell. To choose a suitable mask, you need to understand three criteria: high dust-blocking efficiency can block fine particles; can be close to the human face to prevent dust or pathogenic microorganisms from entering the intimate; breathing resistance is light and comfortable, and comfortable to wear.

Masks should be selected by function and vary from person to person.

According to the person in charge of the Taobao data platform, the total number of protective masks in the last 30 days was 7,751,475, and the search was 18,13,608. The transaction volume in Henan ranks 14th in the country.

“The mask can filter the air. When the respiratory infection is prevalent, or when working in a polluted environment such as dust, wearing a mask can play a good protective role.” Wang Dongmei, director of the infection management department of the Third People’s Hospital of Zhengzhou City, believes that Masks should still be selected according to individual needs and according to the function of the mask.

According to reports, medical masks are now disposable and not suitable for ordinary people. Commonly used masks are usually sewn with several layers of absorbent cotton gauze. The mask of three layers of gauze can block 70% to 80% of bacteria. The mask of six layers of gauze can block almost 100% of bacteria. In order to wear a mask, it is not too boring, usually 6 to 8 layers are suitable. In the choice of baby mask, it is better to use comfortable and breathable cotton material.

Exquisite masks often contain too much fiber, low cotton content, and are prone to static electricity. In addition, the masks used in the exquisite masks are only 3 to 5 layers, and the filtering function is limited.

The filtering effect of the mask is focused on the nose, and different sizes of masks should be selected according to individual circumstances. If the mask is too small, germs, dust, and pollution can easily enter from the edge of the mask or the gap between the sides of the nose, affecting the filtering effect. Judging whether the mask is good or not, there are three standards: high dust-blocking efficiency, capable of blocking fine particles below 2.5 microns; close to the human face, preventing dust or pathogenic microorganisms from entering from the close; breathing resistance is small and light, wearing Comfortable.

Do not hang the mask directly on your ear

When wearing a mask, the correct method should be used. The two straps below are attached to the back of the neck. The two straps on the top are attached to the head and should not be hung on the ear.

At the same time, you can't expose your nose to the outside of the mask when wearing a mask, which will lose the protection of the respiratory tract. Wearing masks, the outer layer will accumulate a lot of dust and bacteria, while the inner layer blocks the exhaled bacteria and saliva, so the masks should not be used alternately on both sides.

When the mask is not worn, it should be folded into a clean envelope or a pocket, and the side that is close to the nose should be folded inward. Do not just put it in the bag. It is best to have a few more masks for normal use.

The mask worn is washed once a day. When washing, use hot water for 5 minutes, gently rinse, rinse with water, and hang in a ventilated place to dry.

The activated carbon filter mask cannot be cleaned, otherwise it will destroy its adsorption. This type of mask should be “discarded” after wearing it for more than ten hours. Do not reuse it to avoid respiratory illness.

(Editor: Xu Xiaoyu)

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