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Re: [Homebrew_PCBs] Re: CUCL Temperature , etch time ?????

2006-01-03 by Stefan Trethan

On Tue, 03 Jan 2006 16:37:32 +0100, Bruno St-Laurent <bsl88k@...>
wrote:

>
>
> I do use a bubbler !!!, ok, then i need to get concentrated H2O2!! is
>
> it easily available ???


Yes, and not very expensive either. You want some around 30%.
I was afraid the london bombings might cause more restrictions on H2O2,
but so far i have not heard of any such thing.

ST

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