--- In Homebrew_PCBs@yahoogroups.com, "Norman Stewart"
<normstewart@a...> wrote:
has some scouring powder in the bathroom and I just use my fingers
and scrub the board with it.
As you mentioned, when you have full sheeting action, the copper is
free from oils and such.
I think this is much less abrasive than those green pads. They are
often stronger than sandpaper.
Dave
<normstewart@a...> wrote:
> Excuse the ignorance - I'm just returning to PC board fabricationafter a
> long absence. Years ago, when I was using Kepro and Kodakphotoresists, the
> best way I found to clean a board was with a chlorinated scouringpowder
> (Comet comes to mind). This left a bright, very mildly abradedsurface that
> had no problem supporting an unbroken film of water, and whendried, took
> the liquid photoresist nicely. Is this completely outdated, or notIt's what I use on anything that is not bright and shiny. My wife
> applicable for the toner transfer methods?
>
> Norm
has some scouring powder in the bathroom and I just use my fingers
and scrub the board with it.
As you mentioned, when you have full sheeting action, the copper is
free from oils and such.
I think this is much less abrasive than those green pads. They are
often stronger than sandpaper.
Dave