Industry News

Why use spraying equipment in the manufacture of aluminum profiles?

Update time : 2022-09-21 19:24:21

Aluminum is a light metal with a silvery white luster, and its corrosion resistance has the following two characteristics:

1. The higher the purity, the better the corrosion resistance. As we all know, pure aluminum interacts with oxygen in the air, and a thin and dense natural oxide film will be produced on the surface of aluminum, which is faster than other metal oxide films. It is much thicker, thus preventing the erosion of detrimental gases and moisture in the air and playing a protective role;

2. Although the corrosion resistance of pure aluminum is good, its mechanical strength is poor, which restricts the application of aluminum to a certain extent. Therefore, people add an appropriate amount of magnesium, copper, zinc and other metals to aluminum to make various types of aluminum. Aluminum alloy has high mechanical strength, which greatly improves the mechanical strength of aluminum and greatly expands the application range. Although aluminum alloy has high mechanical strength, its corrosion resistance is worse than that of pure aluminum, so it may be corroded by oxidation. This requires powder spraying of aluminum profiles to protect aluminum alloy profiles. Aluminum alloys have been widely used in building doors, windows, curtain walls and other products for many years due to their small specific gravity, easy processing, and high mechanical strength.

After powder coating, aluminum profiles have much advantages such as high corrosion resistance, diversified colors, and good appearance texture.

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Hammy Han