Are face masks effective?

Masks are the most popular item at present. At present, China 's masks are in short supply. However, don't worry, Qingdao Bingcheng Medical Equipment Co., Ltd. is an enterprise specializing in the sale of disposable medical inspection consumables. The company is located in Qingdao, Shandong Province,with convenient transportation and beautiful environment.Our company mainly sells virus sampling tubes, nose and throat swab, rapid antigen test kits, face mask, disposable negative pressure blood sampling containers and other medical consumables. Our company's mask production strength is strong, which can meet great customer needs.

Regarding the standard of masks, in fact, the masks sold in China are sold all over the world , which means that there is no problem with China 's production technology , and the quality has been well received at home and abroad . In addition, the domestic standard of masks is KN, while N is the American standard. The two are basically the same. If masks of the N standard cannot be bought, the KN standard can also be used.

According to the testing laboratory process, masks from each production shift are sampled and tested on a particularly expensive detector. The machine simulates human breathing, sprays particles on the mask, and then uses a photometer to detect the permeate. The filtration efficiency of the domestic masks tested was 99.512%, far exceeding the N95 standard.

As for the question of how long a mask can be used, take an industrial mask as an example. Usually, it can be used for 3 days when there is no epidemic. However, in view of the current situation, we should follow the doctor's advice and replace it every 4 hours. When it is time to go out and enter crowded places, prepare 2 masks a day. 

As we all know, from the current situation, the new coronavirus epidemic is spread through droplets, and wearing a mask is necessary and one of the most effective protective measures. No matter what kind of mask you wear , under the current circumstances, remember to wear at least a disposable mask, choose to uphold, choose to uphold a disposable mask, to give you the safest guarantee during the epidemic.

https://consumer.gucheng.com/