100ml Aluoxyd – Acid to blacken engravings in anodized aluminum.
Aluminum acid for black engraving font in aluminum, nameplate, door-signs, aluminum-signs.

Aluoxyd (Aluoxide) is an aluminum acid, this was developed for aluminum plates.
An anodized or painted surface of door- plate or type- plate is not attacked.
Only untreated, not anodized or painted aluminum is colored black with alu-oxide.

By engraving or milling the aluminum is free.
This engraving reacts with alu-oxide-acid and is black.

It is not a color, but a chemical reaction.

One bottle is enough for about 1m ².

Operation: