Cleaning Circuit Boards With Isopropyl Alcohol. Dip toothbrush into dish of alcohol. A friend of mine used denatured alcohol because it s cheaper.
Once you ve removed your device from the cleaning solution use a soft bristled tool such as a toothbrush or paintbrush. Similarly to ethanol most laboratories have ample quantities of isopropyl alcohol ipa around for general purpose use. The next step is to clean the board with a dry cloth to remove any other loosely bound matter.
In the third step one takes a dry cotton cloth wets it with isopropyl alcohol and gently rubs it on the pcb surface.
Fill a ceramic dish with alcohol. There is a cleaning fluid for pcbs which is basically isopropyl alcohol and some soap. Isopropyl alcohol is safe for most plastics seals ceramics and printed circuit board components it is used heavily in the electronics industry. Isopropyl alcohol ipa is the more common choice for cleaning electronics because it evaporates more rapidly than ethanol and also because it does not leave any traces of oils upon evaporation.
