Homebrew PCBs

At 11:45 AM 3/12/2005, Stefan Trethan wrote:

>On Sat, 12 Mar 2005 16:33:07 -0000, Leon Heller
><leon.heller@...> wrote:
>
> >
> > I just checked Delrin's properties, it's no good in acid or alkaline
> > solutions:
> > http://www.upchurch.com/TechInfo/matDelrin.asp
> > It's a pity, as it's otherwise a very good material.
> >
>
>Thanks a lot.
>I especially like that:
>" It is best to use Delrin with neutral pH aqueous solutions or organic
>solutions for guaranteed best performance."
>As if i could choose the liquid to suit their plastic, silly people...

Hmmm...
I seem to remember, that when we put equipment in at Dole Pineapple, Delrin 
and stainless steel were the only two materials we could use.  That stuff 
is VERY acid, and has nasty enzymes.