Old 07-19-21, 01:23 PM
Method to My Madness
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Originally Posted by genejockey View Post
I can't think of a reason to rinse in isopropanol, especially 70%. What are you expecting to accomplish with it?

I ask that, because among amateur watch repairers, you'll often see novices asking about rinsing in isopropanol after having cleaned the parts in mineral spirits. It just seems to be something people think it needs, but they can't identify what they think it will remove that hasn't already been removed. It doesn't really add anything to the cleaning process, as far as I can tell, beyond putting water back into the equation. The mineral spirits should have removed all the oil/grease, and when dried should leave the chain completely clean.
Neither can I, but various instructions mention either denatured alcohol or isopropyl alcohol after odorless mineral spirits, which I cannot buy.
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