An In-Depth Look at Degassing Solutions in an Ultrasonic Cleaner

Written by Bob Sandor

Air and other gases contained in a freshly filled ultrasonic cleaning bath interfere with the cleaning performance of the ultrasonic cleaner.  Evidence of these gases can be seen as bubbles that form on the inside of a standing glass of warm water.  Ultrasonic cleaning is accomplished by the energy released from the violent collapse of tiny vacuum-filled bubbles.  Air bubbles and dissolved air in the cleaning liquid absorb ultrasonic energy and inhibit the implosion of these cavitation bubbles, significantly reducing the cleaning effect.

Air can also be introduced as bubbles clinging to objects immersed in the ultrasonic bath.

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