--- In
Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@g...> wrote:
> On Mon, 14 Mar 2005 17:22:49 -0000, Steve <alienrelics@y...> wrote:
>
> >
> > You can select the plastic and/or chemicals and/or ratings. I just put
> > in Copper Chloride and chose Resistance A-Excellent and got a nice
> > simple list of things with excellent resistance to Copper Chloride.
> > Including ceramic magnets, which I did not know. Anyone know what
> > materials those cheap submergeable water fountain pumps are made
out of?
> > Steve Greenfield
>
>
> That's interesting.
>
> The only "metal" object exposed to water in Eheim aquarium/fountain
pumps
> is the magnet, they have a ceramic shaft.
Depends on brand as all that I've taken apart had what looked like
stainless steel or chromed shafts. I've been picking up old ones at
thrift stores, have only taken a couple of them apart.
> But then, the pressure from those pumps is minimal.
I wasn't thinking for a spray nozzle, but rather just to keep the acid
moving. For low backpressure, they have a pretty darn high flowrate.
> Bad thing cole-parmer has N/A for lexan/polycarbonate (no data), But
> Hydrochloric acid is "good" so i hope i'm ok.
> I suggest always check for HCl too if you check for CuCl as it isn't
sure
> it's included...
This is true and occured to me after sending that message.
> Steve, do you know about lexan machining/gluing? Should i ask at
> propmasters?
Ask on Propmasters.
Steve Greenfield