Main Tools and Equipment Thoughts on ultrasonic cleaners for PCB cleanup

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      Just curious, what are your guys thoughts on using an ultrasonic cleaner to clean boards post soldering to remove flux residue.

      Tom Schupbach
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        Don’t use alcohol in an ultrasonic machine, especially if you are inside. (Risk of fire/explosion doe to the atomizing of the alcohol!)

        Use a commercially available PCB flux cleaner instead. This stuff for example, “Elmasonic 800 0101 Elma TEC Clean A1 Ultrasonic Cleaner Solution Concentrate for Electronics and Optics- Powerful Cleaning Fluid for Industrial Use”, is about $265 per 2.6 gallons. It a concentrate but that’s still pretty pricy!

        That said, if you clean a board ultrasonically that has potentiometers on it, you will have to properly relube them as that will be history also.

        Is a brush (like the ones Alex sells) and alcohol looking better?

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