On Mon, 20 Nov 2006 16:32:10 +0100, Adi Linden <
adiy@...> wrote:
> There is no way I'll be 'cooking' FeCl in anything that will ever see
> food
> again. So a dedicted microwave would be the only way to heat etchant in
> small quantities.
> The other item that has become pretty obvious that in my environment
> doing
> board in the kitchen sink just doesn't work too well. No matter how
> careful, there is always the possibility that something spills. I'd
> rather
> not have any poison near my food preparing areas, period.
> Looking at building an etch tank, from a cost perspective it is equal to
> getting a small microwave. Having etched board in a ammonium persulfate
> bubble bath many moons ago, I know it does work well. I never tried the
> sponge method yet, but read it is supposed to be excellent. Problem is, I
> don't have the confidence to play with FeCl in my stainless steel kitchen
> sink...
> Adi
Nobody says microwave heating is required, or even preferred, for FeCl
etching.
You can use just about any heat source and rig something up.
Also, you do not need to heat the ferric chloride if you don't want. You
can use larger vessel on the outside in which you fill hot water (from the
kitchen).
Aquarium heaters are often used, but i expect that electric foil heaters
would work stuck to the side of a tank.
A few days ago i got a "get a free heater" leaflet from Minco,
www.minco.com/freeheater. The promo code is H1016FH (it is bulk-printed
with the leaflets so not an individual code). I think there were a few
that would work, and free too!
ST