Do you know the difference between kn95 and N95 masks?

Since novel coronavirus has occurred, many people are buying masks. What kind of respirators do you buy? Now let's teach you the difference between kn95 and N95 masks. Let's take a look.

KN95 Mask:
Kn95 Respirator Mask is actually a mask that meets the requirements of gb2626 standard in China, which means national standard. According to this standard, the filtration efficiency of non oil particles is ≥ 95%.

N95 mask:
N95 Face Mask is a NIOSH certified mask in the United States. The same standard is that the filtration efficiency of non oil particles ≥ 95%.

In general, kn95 and N95 have the same filtration efficiency and protection effect. It's just that certification bodies are different.

Kn95 and N95 masks need to be worn correctly
Before wearing kn95 and N95 masks, you need to wash your hands first, and then you can wear them. The light color is inside, and the metal strip is on the top. Don't wear it wrong, otherwise they can't play a protective role.

How long does it take to change the mask?
If kn95 or N95 masks are used normally, they can be replaced within 4 hours. Do not replace them too long, because if they are used too long, they will lose their functions.

In case of special circumstances, it needs to be replaced in time:
In some special cases, it can not be worn for a long time.
1. It's hard to breathe.
2. The mask is damaged.
3. The mask is contaminated.
4. There is a smell in the mask.
5. The mask can no longer fit the face.
In these situations, kn95/n95 mask need to be replaced in time.