Aluminum is a lively metal. A dense oxidation mold with a thickness of about 50 angstroms (1 angstrom = 0.1 nanometers) is formed immediately on the surface of aluminum in dry air, so that the aluminum will not be further oxidized and resistant to water; but the aluminum powder is very easy to mix with air. combustion.
The molten aluminum of the aluminum alloy decorative mesh curtain can correspond to the metal fiercely with water; the high-quality composite decorative mesh aluminum is amphoteric, very soluble in strong alkalis, and also soluble in dilute acid metal decorative decorative mesh. According to the reducibility of aluminum, it can be inferred that aluminum can react with water, but experiments have found that there is almost no reaction between aluminum and boiling water. However, aluminum can react significantly with water vapor under heating, but it will react with water at the beginning of the reaction. The oxygen generated dense oxide film prevents the reaction from proceeding further. Aluminum is silver-white light metal.
The mesh panel is decorated with ductility. Commodities are often made into columns, rods, sheets, foils, powders, ribbons and filaments. It can form an oxide film to prevent metal corrosion in humid air. The aluminum powder treated with acid by the manufacturer of the stencil decorative net can burn violently when heated in the air and emit a dazzling white flame. Metal decoration materials are easily soluble in dilute sulfuric acid, dilute nitric acid, hydrochloric acid, sodium hydroxide and potassium hydroxide solutions, but are insoluble in water, but can slowly react with hot water to form aluminum hydroxide. The relative density of metal decoration materials is 2.70, and the elastic modulus is 2.70. 70Gpa, Poisson's ratio 0.33. Melting point is 660°C. The boiling point is 2467°C. It is widely used for its light weight, good electrical and thermal conductivity, high reflectivity and oxidation resistance.
The aluminum used for stainless steel nets to make daily utensils is usually called "steel steel" or "steel grade". The thermal expansion coefficient of Al at (room temperature) 25°C is 0.0000236mm/°C or 23.6ppm*k-1. The use of a substance largely depends on the nature of the substance.
Metal decorative mesh mesh curtain ring mesh because aluminum has a variety of excellent properties, and stainless steel decorative curtain wall so aluminum has a very wide range of uses. Aluminum and aluminum alloys are currently one of the most economical and suitable materials that are widely used. Since 1956, the world's aluminum output has surpassed the copper output and has always ranked first in non-ferrous metals. The current output and consumption of aluminum (calculated in ton) is second only to steel, becoming the second largest metal used by mankind; and aluminum resources are very rich. According to preliminary calculations, aluminum reserves account for more than 8% of the earth's crust. .
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