How important is it for the cleaning fluid to have low surface tension

How important is it for the cleaning fluid to have low surface tension

In ultrasonic cleaning, it is very important that the cleaning fluid has a low surface tension. That is because it is easier for cavitation bubbles to form when the fluid’s surface tension is low. Products such as cleaning solutions are surfactants, meaning they lower the liquid’s surface tension. Another way of reducing surface tension is increasing the fluid’s temperature.

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