What’s The Difference Between N95 and KN95 Masks?



07:23 am に 1月 23rd, 2024 の最終更新

Why does KN95 have an extra ‘K’ compared to N95? What makes them different? A lot of people wonder about this. A chart from 3M explains the different features of each mask, like how well they filter and their airflow. This article will helps you see the differences between KN95 and N95.

KN95 And N95 Comparison Chart

In short, N95 is the U.S. standard for masks that filter at least 95% of particles. KN95 is the Chinese standard, also filtering 95%. Other countries have their standards too, like JN95 in Japan, KF94 in South Korea, and FFP2 in Europe.

What’s the difference between N95 and KN95 masks? Expert explains what you need to know

What do N95 and KN95 masks have in common?

Both N95 and KN95 masks have 5 layers for protection, catching up to 95% of small particles. Both are shaped like a fish and some have a special strip on the nose for extra safety.

Which one is more popular?

Around the world, especially in places like Europe and the U.S., N95 masks are more common. Fewer people wear KN95 masks. KN95 masks from China must meet U.S. CDC’s NIOSH standards to be sold. In Asia and some developing countries, more people wear KN95 masks.

List of Chinese companies allowed to sell KN95 masks

KN95 vs. N95 Breathability

The Chinese government tests KN95 masks on people to make sure they fit well and don’t leak much (less than 8% leakage). N95 masks are tested to see if the wearer can smell and taste certain things while wearing them. This shows KN95 masks focus more on a tight fit, while N95s are better for breathing.

What are the test standards for N95 and KN95 masks?

The CDC has a guide for N95 masks, including the NIOSH standard (a top standard for masks). KN95 masks follow the GB2626-2019 standard, approved in China. To sell KN95 masks in the U.S., they need FDA and NIOSH approval. If you wanna sell kn95 masks in Europe, You must need CE認証.

Which mask should I wear?

If you want a mask that’s easy to breathe through and protects well, go for N95. If you’re looking at cheap price and tight protection, KN95 could be better.

In conclusion

KN95 and N95 masks are quite similar, each with their benefits. If you need N95 masks or want to find a manufacturer, 正信グループ offers various styles. They supply N95 masks to hospitals in China and meet high standards for the Japanese market too.


  1. What’s the Difference Between N95 and KN95 Masks? (KN95 vs. N95) https://smartairfilters.com/en/blog/whats-difference-between-n95-kn95-masks/
  2. What doctors wish patients knew about wearing N95 masks? (https://www.ama-assn.org/delivering-care/public-health/what-doctors-wish-patients-knew-about-wearing-n95-masks)

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