4 Ways of Polishing Aluminum

Aluminum and aluminum parts are widely used in many fields, such as aircraft, ships, automobiles, and household products, office furniture, etc., which are closely related to people's life. However, every year, a lot of aluminum profiles are oxidized and lose luster, which needs to be polished at this time. You can also find out the polishing methods of stainless steel on dajinprecision.com news and more introduction to materials and terms.

General polishing can be divided into three forms: polishing, mechanical polishing, and electric polishing. In the process of polishing the car or ship, we should grasp the sequence, first carry out mechanical polishing, and then carry out electric polishing, so as to achieve high brightness, restore luster, and also carry out the coloring on the aluminum profile shell.

According to the different requirements of use, we list four methods to treat the surface of the aluminum profile shell, so that the aluminum profile shell can restore its luster in the past:
1. Anodizing, removing the aluminum oxide on the aluminum profile shell, and effectively polishing.
2. Electropolishing. Electropolishing uses a chemical reaction to take Electropolishing as anode and insoluble metal as the cathode to immerse in the electrolytic cell. With direct current, the anodized aluminum is dissolved, and the aluminum oxide disappears from the aluminum profile shell, restoring luster.
3. Chemical polishing can be used as the pretreatment process of protective decorative electroplating, or as the pretreatment process of chemical film-forming, such as phosphating hair blue. Aluminum oxide on the surface of aluminum profile shell can be eliminated by immersion of antirust passivation agent solution before painting.
4. After anodizing of electrolytic reaction, it will develop color, form various colors on the oxide film, and then conduct coloring, which depends on your requirements.

The above four methods are commonly used for polishing, which is relatively low cost and strong operability. They can effectively remove the alumina on the surface of the aluminum profile shell, achieve the polishing effect, and restore the original aluminum profile shell.