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Strong corrosion resistance, is pure galvanized plate 3 times; the surface has a beautiful zinc flower, can be used as a building outside the board. Its corrosion resistance ("galvanized steel coil" corrosion resistance is mainly due to aluminum and aluminum protection.When the zinc is worn, aluminum will form a layer of dense alumina, to prevent corrosion-resistant substances Further corrosion of the internal.), Heat resistance (aluminum-zinc alloy steel plate has good heat resistance, can withstand more than 300 degrees Celsius high temperature, and high-temperature oxidation of aluminum plate is very similar), heat reflective (galvanized The thermal reflectivity of the steel plate is twice that of the galvanized steel sheet, and it is often used as a material for insulation). Economies (since the density of 55% AL-Zn is smaller than that of Zn, Gold plating layer thickness of the same circumstances, the galvanized steel plate than the area of steel plating more than 3%).
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