After the chemical or electrochemical polishing, then the anodizing treatment, the aluminum products will obtain a smooth and bright layer of oxide film, with a high transparency, at this time, the aluminum alloy surface is easy to obtain various colors by dyeing. In the field of industry, the anodizing treatment or chemical oxidation methods are becoming more and more widely used, it makes aluminum alloys to obtain a layer of oxide film, and to achieve a purpose of protection and decoration.
Aluminum plate has so many advantages and it can be used in many industries, so there are many aluminum coil supplier in the market, then how to choose high-quality aluminum products becomes the core of purchasing department. Choose the aluminum plate manufacturers worth to be trusted, do not focus on the cheap price only, because the profit of aluminum plate is very thin, in the face of fierce competition in the market, bad supplier often get profitable profits by false weight or replace materials, which caused losses to the buyer, please pay attention when purchase aluminum coil form supplier.