We sent 2-3 test specimens to anodizers to see thickness of 50 µm on specimens. They did pretty good job on test ones, but when we sent whole batch, it was ruined by some weird spots on them. Can someone tell me what went wrong and where? Thanks....
The overwhelming majority of professional anodizers (who must work very hard to minimize costs) do not attempt to 'home-brew' their solutions. Amateurs (who usually know much less) should not strive to formulate their own processes. The best mixes are the result of years of research and are...