FAQ
Q: What is Anodized Aluminum?
A: Anodized
aluminum refers to a layer of dense aluminum oxide coated on the surface of
aluminum and aluminum alloys. In order to prevent further oxidation, its
chemical properties are the same as aluminum oxide. But unlike ordinary oxide
films, anodized aluminum can be dyed with electrolytic coloring.
Q: What’s the performance for Anodized
Aluminum?
A: 1.Corrosion
resistance. The aluminum anodic oxide film can effectively protect the aluminum
substrate from corrosion. The anodic oxide film is obviously better than the
naturally formed oxide film. The film thickness and sealing quality directly
affect the performance.
2.Hardness and wear resistance. The
hardness of the aluminum anodized film is much higher than that of the aluminum
substrate, the hardness of the substrate is HV100, the hardness of the ordinary
anodized film is about HV300, and the hardness of the oxide film can reach
HV500. The relationship between wear resistance and hardness is consistent.
3. Decorative. The aluminum anodized film
can protect the metallic luster of the polished surface. The anodized film can
also be dyed and colored to obtain and maintain a colorful appearance.
4. Electrical insulation. Aluminum is a
good conductor, and aluminum anodized film is a high-resistance insulating
film. The insulation breakdown voltage is greater than 30V / mm, and the
specially prepared high insulation film even reaches about 200V / mm.
Q: What’s application of Anodizing
Aluminum?
A: Anodized
aluminum is widely used in mechanical parts, aircraft and auto parts, precision
instruments and radio equipment, architectural decoration, machine shells,
lighting, electronic consumer products, handicrafts, household appliances,
interior decoration, signs, furniture, automotive decoration and other
industries.
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