Why do aluminum profiles of LED fluorescent tubes need surface treatment
1. The higher the purity is, the better the corrosion resistance is. As we all know, pure aluminum has an effect with oxygen in the air. A thin fine natural oxide film will be produced on the surface of aluminum, which is much faster and thicker than other metal oxide films, and then prevents the corrosion of harmful gases and moisture in the air, playing a maintenance effect.
2. Although pure aluminum has good corrosion resistance, it has poor mechanical strength, which limits the application of aluminum to a certain extent. Therefore, people participate in an appropriate amount of magnesium, copper, zinc and other metals in aluminum to make various types of aluminum alloys. Aluminum alloys have high mechanical strength, which greatly improves the mechanical strength of aluminum and greatly expands the application scale. Although aluminum alloys have high mechanical strength, However, the corrosion resistance is worse than that of pure aluminum, so it may be corroded due to oxidation. This requires powder coating to maintain aluminum alloy profiles. Aluminum alloy has been widely used in doors, windows, curtain walls and other products of buildings for many years because of its small proportion, easy processing and high mechanical strength.
Through surface treatment, aluminum profiles have many advantages, such as high corrosion resistance, diversified colors and good appearance texture. They take care of different building exterior wall coatings to build colorful buildings.
Article from: LED fluorescent tube manufacturer http://mushuren.cn/
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