A brief note about aluminum.

I will explain what alumite is!

Aluminum is soft in its raw material form and unsuitable for practical use, so it undergoes anodizing treatment (commonly known as alumite) as the most excellent surface treatment method. This process involves using aluminum as the anode and passing an electric current through a solution such as sulfuric acid to oxidize the surface of the aluminum. The oxide film formed on the surface through this treatment significantly increases hardness, wear resistance, and corrosion resistance, resulting in properties that are entirely different and superior to the raw material. An even greater feature of the anodized oxide film is its dense structure, which contains countless extremely fine vertical pores that can be observed under an electron microscope. This unique characteristic allows for the adsorption of fine particles, such as dyes, within these pores, a property not seen in other metals. By utilizing this characteristic, the entire surface or desired portions can be colored in any color, and a sealing treatment can be applied to seal the dye within the film, allowing aluminum to be dyed robustly like fabric. Unlike plating or painting, alumite dyeing does not suffer from peeling or flaking of the colored areas, making it highly durable.

Other metal materials