Why do industrial aluminum profiles need surface treatment?

by:Zeyi     2021-05-06
After the surface oxidation treatment of industrial aluminum profile profiles, the appearance is very beautiful and resistant to dirt. Once coated with oil, it is easy to clean. When assembled into products, different specifications of profiles are used according to different load-bearings, and matching aluminum profile accessories are used, without welding , More environmentally friendly, and installation, disassembly, lightweight, easy to carry, and extremely convenient to move. The current aluminum alloy has been widely used in building doors and windows, curtain walls and other products due to its small specific gravity, easy processing and high mechanical strength. profiles are even more widely used. Aluminum is a relatively lively light metal with silver-white luster Its corrosion resistance has the following two characteristics: 1. The higher the purity, the better the corrosion resistance, mainly because pure aluminum interacts with oxygen in the air to produce a thin, dense natural oxide film on the aluminum surface , It forms faster and thicker than other metal oxide films, which prevents further corrosion of harmful gases and moisture in the air and plays a protective role; 2. Aluminum alloy has high mechanical strength, but low corrosion resistance. Although the corrosion resistance of pure aluminum is good, the mechanical strength is poor, which restricts the application of aluminum to a certain extent. For this reason, people add appropriate amounts of magnesium, copper, zinc and other metals to aluminum to make various types of Aluminum alloy greatly improves the mechanical strength of aluminum and greatly expands its application range, but its corrosion resistance is worse than that of pure aluminum, so it may be corroded due to oxidation. In summary, whether it is industrial aluminum profile profile or architectural aluminum profile, powder coating is required to protect the aluminum alloy profile. In addition to high corrosion resistance, powder coated aluminum profile also has a variety of colors It has many advantages, such as high quality and good surface texture. Corresponding to accessories of various colors, it can protect the aluminum profile while ensuring its beauty. ————The article comes from the Internet. If there is any infringement, please contact to delete it.
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