> I normally just use IPA to remove the resist. If I need to really cleanYes, but this one wouldn't get off the grease, only spread it.
> the
> copper, I use a metal polishing block. It's like an eraser with fine grit
> embedded in it.
>
> Leon
You still need IPA later.
There is a whole range of products well suited, like the abrasive pads
for copper plumbing (to prepare for soldering).
The 600 grit paper gives a certain roughness, which can't be bad for
adhesion.
But i think it would work with a much smoother surface too.
ST