|In addition to the dying of Type II anodizing, Altech also offers architectural bronze colouring or electrolytic colouring of aluminum.Standard dyed anodizing is achieved using industrial dye and pigments that adhere to the anodic coating. Architectural bronze anodizing is a multi step process involving the application of current and tin based chemical solutions to essentially impregnate a colour into the anodic coating.
Electrolytic colouring results an extremely lightfast product perfectly suited for outdoor applications such as window and door extrusions. The bronze colour may range from light champagne to deep brown depending on processing time.
Bronzing Anodizing Tip
Only 6061, 6063, 5005, 5052 alloys may be bronzed.