Enclosure Etching with Picture Paper experiment

[markm]

Ferric chloride seems like overkill, though!

Yeah but, it works! 

[zjokka]

If an enclosure is aluminium, you shouldn't have to add any hydrogen peroxide to the hydrochloric acid! because, HCl will attack aluminium directly.
Mind you, with only HCl I expect the reaction will be slower & hydrogen bubbles will form that might get in the way of the etchant. Ferric chloride seems like overkill, though!

This really surprises me, because everybody around here seemed to be etching with ferric chloride. Used the Clhoric acid and hydric peroxide because that's what I use as alternative. The guy in the electronics store who told me about this method also said ferric chloride was 'from the days'. No brownish sludge in the etching after you're done.


Maybe the whole etching bath process is not necessary for boxes. Maybe even you could apply the etchant with a brush and avoiding the etchant eating through the toner because they need not come into contact with the etchant. If Mark's talking about etching times of 3minutes or less...


will experiment some more.
zj