On Mon, Mar 28, 2011 at 5:30 AM, Piers Goodhew <
piers@...> wrote:
> Etched my first board tonight in a long time - for various reasons (toner's getting low, it's an odd shape) I touched up a few spots with nail polish and then decided to sit the whole thing on top of (NOT IN) the toaster and just set it off a few times to make sure the nail polish had really dried out (in a previous attempt it hadn't and partially lifted during the etch.)
>
> Now, I may have inadvertently done the "toner cure" because I can't get anything off the board now no matter how much nail polish remover I throw at it. But there's another quite likely explanation which is that one of the junior chemists around the house has, either to conceal some excessive use or just for the hell of it, diluted the stuff heavily - it does seem to smell a lot less strong and evaporate less.
>
> But if it ∗is∗ toner cure, I've got a pretty repeatable means of doing it!
>
> PG
>
>
As long as they only diluted your nail polish remover and not your 18
y/o Scotch you should be ok!
Do you find it cheaper to buy acetone in the form of nail polish
remover? Wouldn't it be cheaper in a larger container?
--
Erik L. Knise
Seattle, WA