Is the gray mask a medical mask?
Gray masks may be medical masks, because medical masks are a large category, including medical surgical masks, medical protective masks and ordinary medical masks, and these masks may be applied to gray in their appearance, gray is more commonly used in medical On the protective mask, so gray may be a medical mask, but it is not necessarily a medical mask.
It is inaccurate to judge the type of masks by color, it is best to combine their outer packaging and the mask itself. Generally, the outer packaging of regular medical masks must be marked with the type of medical mask, or its protection level, etc. Wait, if conditions permit, you can use materials to judge. General medical masks have at least 3 protective layers, or special protective materials, the feel will be different, you can judge by this aspect.Are gray masks useful?
Whether it is medical or daily necessities, gray masks have a protective effect, but only the difference in protective effect. In nature, microorganisms such as bacteria and viruses are mainly transmitted through droplet transmission, air transmission, and contact transmission. As long as it is a mask, no matter what its color is, it will have a certain protective effect on our respiratory tract. Can reduce the spread of the virus, so gray masks are useful.
It's just that the medical products and daily necessities are different in materials, and the filtering effect on bacteria and viruses will be different. The gray masks used for life protection will have a lower protective effect and cannot be used in environments with high virus concentrations.
Is the gray mask an activated carbon mask?
The gray mask may be an activated carbon mask. Activated carbon masks are mainly gray on the market, which is mainly caused by the color of activated carbon, so in the subjective consciousness of many people, gray masks will be considered activated carbon masks. , Generally indicate the functionality of the mask.
Even the activated carbon mask has a certain role in protecting against viruses. As mentioned above, it can reduce the transmission of bacterial viruses and reduce the probability of infection.
How to wear gray mask correctly
1.First, the front and back sides of the gray mask and up and down, cover the inside of the mask tightly to cover the position of the mouth and nose.
2.Then hang the mask rope on the ear, try to reduce the gap between the face and the mask by hand as much as possible.
3.If it is a disposable mask, you also need to pull the mask up and down, and press the nose clip tightly along the shape of your nose.