[sdiy] Plexiglass panels

[James Patchell]

I have used Sodium Hydroxide (Lye) to etch Aluminum...however...be for 
warned...this produces an extremely explosive gas...do not do this indoors 
or near an open flame either...(this reaction produces Hydrogen).

At 10:17 PM 7/5/2005 -0500, David Cornutt wrote:

>On Jul 5, 2005, at 9:37 PM, harrybissell wrote:
>
>>There IS an etchant that can be used on aluminum. It is not ferric
>>chloride.
>>My mother made some etched aluminum trays when I was a child. She's 75
>>now and I dare not rely on her memory for the chemical process  :^P
>>
>
>Hmm.  What if you made a mask, and then painted over it
>with alodyne?  Might be pretty hard to read, though.

         -Jim
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