Fire-resistant Aluminum Composite Panel Factory Introduces The Reasons Why Aluminum Products Are Resistant To Corrosion

Whether it is pure aluminum or aluminum products have a feature, that is corrosion resistance. Due to this great advantage, it is widely used in many fields. Below, Fire-resistant Aluminum Composite Panel Factory introduces the reasons why aluminum products are resistant to corrosion:

The chemical symbol for aluminum is AL, and it is a very active metal that ranks third on the periodic table of metals. It can easily react with oxygen in the air to form AL2O3 alumina. And aluminum oxide does not have an obvious color like other metal oxides, it is colorless and transparent, and has no effect on the color of aluminum itself. More importantly, it can wrap the entire aluminum product matrix, preventing the matrix from contacting the air again, so that the matrix will not continue to oxidize. If the surface of the aluminum profile product is accidentally scratched, an aluminum oxide film will soon be formed at the wound, so that the substrate will not be further corroded.

The content of aluminum in aluminum alloys is also above 99%, so both pure aluminum products and aluminum alloy products are very corrosion-resistant.

However, as a manufacturer of aluminum profile products, we also need to anodize the aluminum profile products after they aluminum products are produced, that is, the aluminum products are used as anodes, and direct current is applied to the electrolyte to form a layer of artificial oxidation on the surface of the aluminum products. membrane. The artificial oxide film is thicker, more uniform, and more resistant to corrosion than the naturally formed oxide film. The naturally formed oxide film has an uneven thickness and is very thin, resulting in chromatic aberration on the surface of the aluminum product, which affects the appearance. The color of the aluminum profile after anodizing treatment is uniform, more silver-white, and translucent, and it is beautiful and generous.