Archive for June, 2015

Regeneration of Copper Sulfate Based Mordant

Sunday, June 28th, 2015

I have found that more etchers are switching to using my basic copper sulfate mordant for aluminium and zinc; while a few might have discovered that copper can also be effectively etched with a modified version of the original formula. One of the most important features of these copper sulfate based mordant is the possibility […]