AU Etch 200 (Goldetch), Etching Mixtures, NBT ti gold etching steel sheet
Au etch 200 is a non-hazardous, cyanide-free, slightly alkaline etchant for Au. The etchant is used for the wet-chemical patterning of Au layers with selectivity to metals like Pt, Ni, Cr, Ti, Al. The etchant is used for the wet-chemical patterning of Au layers with selectivity to metals like Pt, Ni, Cr, Ti, Al.
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astm a269 specifications