Electro-etching steel plate

One of the things I like about etching aluminium with saline sulphate is the great depth of etch that it is possible to get. I’ve wasted an awful lot of research time trying to get the same depth of  etch on aluminium with electro-etch. I’ve now found I can get the depth of etch I want by electro-etching mild steel, it takes a while but it is worth it.

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