La piastra di alluminio dell'anodo è ossidata, e sulla superficie si forma un sottile strato di ossido di alluminio con uno spessore di 5 A 20 micron, e il film anodizzato duro può raggiungere 60 A 200 micron. La piastra in alluminio anodizzato ne migliora la durezza e la resistenza all'usura, fino a 250-500 kg/mm2, ha un'ottima resistenza al calore, il film anodizzato duro ha un punto di fusione fino a 2320K, ottimo isolamento, and breakdown resistance The voltage is as high as 2000V, which enhances the anti-corrosion performance. It will not corrode for thousands of hours in ω=0.03NaCl salt spray.

There are a lot of micropores in the thin oxide film layer, which can adsorb various lubricants, suitable for the manufacture of engine cylinders or other wear-resistant parts; the film micropores have strong adsorption capacity and can be colored into various beautiful and bright colors. Non-ferrous metals or their alloys (such as aluminum, magnesium and their alloys, etc.) can be anodized.

Anodized aluminum sheets are widely used in mechanical parts, aircraft auto parts, precision instruments and radio equipment, architectural decoration, machine casings, lamps and lighting, consumer electronics, handicrafts, elettrodomestici, interior decoration, segni, furniture, automotive decoration and other industries.