Popular Science About Paintwork Polishing of Vehicles

Polishing, waxing and sealing glair are the main car paint curing methods that people often use for their cars in the daily life. If the car's paint is new, you can directly do waxing protection after cleaning up; If the aging of paint is serious, the car paintwork polishing treatment will be a must.

The effect of car paint polishing

A. To clear the mild oxidation on the surface of paint layer and the marks left by abrasive compound.

B. To fill in the pits on the surface of the paint in the form of chemical cutting, including degreasing and eliminating the surface defects.

C. To make the film smooth like mirror, prepare for wax or sealing glair.

The art essence of polishing

By polishing we can get bright paint and this art effect is related with its art essence. In order to achieve the above purposes, generally speaking, there are three kinds of ways:

A. By grinding: it means we can remove minor scratches with friction materials.

B. By mans of the wax: the polishing agent mostly contains wax. When polish goes to a certain extent, we can rely on waxy luster to make up for remaining defects on the paint.

C. By means of chemical reactions: we adjust the rotational speed of polishing machine and make the polishing compound produce chemical reaction.

The first two ways are most widely used in daily car beauty, whose main reason is that beginners do not not understand things with with enough depth and lack of experience for the speed of the polishing machine, polishing head materials (wool material, blended material, sponge material, cotton material, etc.), and the relationship between the paint structure properties and the effect of polishing agent. Therefore, they do not have high requirements for polishing. Even if it is not very bright, doesn't matter, it can be offset by waxing. We call the surface gloss "vignetting". The characteristics of vignetting is that it is unable to reach the mirror effect, and its luster lacks depth with short keeping time. The required equipments and products: high pressure cleaning machine, foam machine, polishing machine, waxing machine, washing liquid, etc.

Grinding and polishing

When grinding, we need to choose the appropriate abrasive compound according to the surface and the depth of the scratches. Abrasive compounds usually are divided into three types: deep cutting, cutting, micro cutting. For scratches, generally, cutting and micro cutting are enough, and polishing operation can be directly for hairline scratches. 4500 RPM high speed polisher with rabbit fur ball can be used to be with professional automotive beauty abrasives compound for the mirror processing. When polishing and grinding, the polishing pressure needs to be determined according to the intensity and thickness of the paint and the size of the pressure. For example, the paint hardness of imported cars is higher, and its grinding pressure needs to be a little heavier. The paint hardness of Chinese-made cars is generally lower and the grinding pressure needs to be slightly lighter. It is important to keep balance in the running process. The slope should not be too big and should change the operations point with the changes of paintwork curve. It is also necessary to clear the dirt on the wool wheel in time when polishing in order to enhance the cutting force of wool wheel and avoid unnecessary paint damage.