On Mon, 23 May 2005 12:32:05 -0400, microsoftwarecontrol
<
microsoftwarecontrol@...> wrote:
>
> I found well agitation is really esantial in etching. Uneven should be
> eliminated at all.
> I found a small cycling pump for chemistries, I only worry about flow
> rate
> of it. After
> I real test it, I will give result here.
> By the way, I think of glueing a narrow glass tank with bottom been
> heated.
> Is that kind of glue for home aquarium glass tank, OK? Can it take 70C?
I am not sure etchant pumping is the ideal agitation, there will always be
currents etc.
Small air bubbles work for me..
I dunno which glue you mean, probably silicone, and that should be fine at
70C.
But then, no etchant i know can be operated at 70C, what are you using?!?
ST