Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

----- Original Message -----
From: "mikezcnc" <eemikez@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Wednesday, November 16, 2005 5:23 PM
Subject: [Homebrew_PCBs] Re: A $500.00 "UV" non-trivial exposure box.....


> ..any comments on safety of using Sodium hydroxide?

Once it's mixed it's quite safe, as the solution isn't all that strong
(about 10 g per litre). Don't get it in your eyes, and rinse it off if it
gets on the skin.

Leon

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