How To Anodize Aluminum Black At Home. Typically of course, black is supposed to be one of the most difficult colours to achieve and commercial black anodizing dye fetches the highest price. Dye (only needed if you want to make it a different color) aluminum or titanium wire;
Lastly, the type of aluminum must enter into the equation. Dye (only needed if you want to make it a different color) aluminum or titanium wire; Castings and more highly alloyed aluminums require more cleaning and etching prior anodizing, thus, there may be considerable aluminum removal strictly in the pretreatment before the parts even enter into the anodizing bath.
A power source with connections;
A clean water rinse removes residues: A clean water rinse removes residues: Anodize at 15 volts for 30 to 45 min in a 15% by weight solution of sulfuric acid at a constant 72 °f. The cathode will fizz a lot, the anode will also show some small bubbles.