[China Aluminum Network] Nowadays, people call aluminum a green metal, a metal for energy saving and emission reduction, a metal with better circulation, a metal for energy storage, a light metal, and an inexhaustible metal .
Set clean and beautiful appearance and isolation in one. Aluminum and aluminum alloys are a kind of silver-white metal. Under normal atmospheric conditions, they can be bright, white and flawless, and they are non-toxic and tasteless. Although there have been reports that excess aluminum accumulated in the brain's hippocampal neurons may cause dementia, the World Health Organization said that there is still not enough evidence to prove that human dementia is related to aluminum. The cleanliness and hygiene of aluminum makes it a packaging material for foods, beverages, medicines, and alcohol. It also has very good printability and can be printed with various patterns, colors, and patterns.
The density is small, and sometimes it is not standardized that it is of light weight and is referred to as light weight. According to the crystal structure calculation, the theoretical density of the single crystal aluminum is 2698.72 kt/m3, which is 0.34% higher than that of the single crystal and is about 1/3 of that of steel and copper. Superior corrosion resistance. Aluminum and aluminum alloys have a layer of aluminum oxide that is unmatchedly thinner than the flaps. This is a layer of natural oxide formed with oxygen in the air. The film thickness at room temperature is 2.5 to 3.0. Nm. This film is not only extremely thin, but also extremely dense, impervious to oxygen, and firmly bonded to aluminum, so that aluminum is no longer subject to corrosion, that is, it will not be reoxidized, so that aluminum and aluminum alloys pass through after the service life expires. After processing and remelting, more than 95% of recycled aluminum can be obtained.
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