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 Compare FFP2, N95, KN95, P2, and other similar standards

Compare FFP2, N95, KN95, P2, and other similar standards

Compare FFP2, N95, KN95, P2, and other similar standards

Filtering facepiece respirators (FFRs), sometimes referred to as disposable respirators, are subject to various regulatory standards worldwide. These standards define some of the required physical properties and dust filtration performance of a respirator to claim compliance with specific standards. During epidemic or emergency situations, the Department of Health often references these standards when making respirators & respirators recommendations, for example, N95 respirators, FFP2 or equivalent.

The following are masks/respirators that have similar properties in terms of fine dust filtration and effectiveness:

  • N95 (United States NIOSH-42CFR84)
  • FFP2 (Europe EN 149-2001)
  • KN95 (China GB2626-2006)
  • P2 (Australia/New Zealand AS/NZA 1716:2012)
  • Korea 1st class (Korea KMOEL – 2017-64)
  • DS (Japan JMHLW-Notification 214, 2018)

Compare FFP2, N95, KN95, P2, and other similar standards

As shown in the following summary table, masks certified to meet these standards perform roughly the same, based on the performance requirements outlined in the standards and validated over time. test compliance period.

Compare standards N95, FFP2, P2, KN95, Korea, Japan

Test object

Test agent: means the test dust object to see how the dust filtering ability of these masks is for the object. The test agent here tested is NaCl – that is, a salt of superfine size.

They will pass the agent through masks labeled with these international standards.

See how much % it can effectively filter out of these fine dust. If this fine dust is retained on the outside of the mask, that is its ability or effectiveness against fine dust.

If there are some dust particles that get through the mask, it means that it cannot resist when there is a stronger pressure stream.


Use the method of increasing airflow / inhalation pressure from the inside of the mask to inhale the object (here is fine salt) inside the mask

People increase the daily pressure flow from 30 liters / min to 90 liters / min.

The higher the pressure, the easier it is for dust particles to get inside the mask.


Filter performance: Filter performance here is the dust filter efficiency of the mask. We see these masks have a dust filter level from 94-95%. This means the ability to filter fine dust of masks N95 N95 (United States NIOSH-42CFR84), FFP2 (Europe EN 149-2001), KN95 (China GB2626-2006), P2 (Australia/New Zealand AS/NZA). 1716:2012), Korea 1st class (Korea KMOEL – 2017-64), DS (Japan JMHLW-Notification 214, 2018) are relatively similar.

Where the different probability is only 1%. This is insignificant.

Effects of N95, FFP2, KN95, P2, Korea 1st class, DS . masks

The above test object is NaCl, showing the ability to resist fine dust pm 2.5 of these masks. In addition, practice has also proven that these masks can also protect against smoke, volcanic dust, or bacteria, viruses, fungi, indoor dust, and pet dander. .