Well known already, and potentially very dangerous if large quantities of etchant are used. Definitely do that outside, lots of HCL fumes due to the exothermic reaction. ST On 7/22/11, leeleduc <leeleduc@...> wrote: > I've been experimenting with etchants and have come up with a simple and > fast one. > > 1 ounce Muriatic acid from the hardware store > 1 ounce BAQUACIL Oxidizer from pool supply store (27% H2O2) > > 2 inch by 4 inch, 1 ounce solid copper. no traces. Etchant was at room > temperature and I agitated the board with a foam paint brush. > > Etch time 10 seconds!!!!!!!!!!!!! > > give it a try. > > BAQUACIL Oxidizer > A chlorine-free liquid oxidizer of 27% specially-stabilized hydrogen > peroxide used to clarify pool water by oxidizing organic compounds (swimmer > waste). > > http://www.baquacil.com/Products/coreProducts.htm > > > PS Do this outside wearing safety goggles! Lots of fumes. > > > > ------------------------------------ > > Be sure to visit the group home and check for new Links, Files, and Photos: > http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links > > > >
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Re: [Homebrew_PCBs] Very fast etching 10 seconds!
2011-07-22 by Stefan Trethan
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