I have been taught, and teach, the only alcohol that should be used to clean circuit boards is food grade pure ethyl alcohol, 200 proof grain alcohol. Yes you have to pay taxes but it is safe, moisture free, and leaves no residue, and has a low vapor point.
It is very flammable and needs to be used in a WELL ventilated room but the cleaning properties far out weigh this, a good fume extraction system is a must. I have been using this material for over 40 years to clean boards following rework. It will attack some conformal coatings if left on for too long. Brush it on and air dry with light heat.
Pat Goodyear, Control Technician Pacific Gas and Electric
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It is very flammable and needs to be used in a WELL ventilated room but the cleaning properties far out weigh this, a good fume extraction system is a must. I have been using this material for over 40 years to clean boards following rework. It will attack some conformal coatings if left on for too long. Brush it on and air dry with light heat.
Pat Goodyear, Control Technician Pacific Gas and Electric