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spiral · 23rd February 2007, 11:30 PM

Dave, what percentage phosphoric acid. Is "metal etch" ?

I can get 81% phosphoric acid localy but I think that may be rather to strong?

Spiral

23rd February 2007, 11:30 PM	#5
spiral Member Join Date: Dec 2004 Posts: 1,712	Dave, what percentage phosphoric acid. Is "metal etch" ? I can get 81% phosphoric acid localy but I think that may be rather to strong? Spiral