It is at your service to determine the degree of protection of your products against harmful dust deposits (IP 5X) and dust ingress (IP6X).
Dust particles cannot enter the device in a way that would prevent its normal functioning or compromise its security. It is fully protected against dust.
The number 5 is the protection of enclosures that allows a limited amount of dust penetration under certain conditions.
Number 6 dustproof enclosures do not allow dust to penetrate.
It tests the dust permeability of your products by forcing them under intense dust flow with the artificial atmospheric environment created in the Dust Experiment Cabinet.