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The following purposes can be achieved by polishing the strip steel in the modern continuous hot dip galvanizing unit.
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Dz -- coating thickness mm, Gz -- per square meter coating weight g, Sz -- coating area mm2, dz -- zinc specific gravity
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When the hot galvanized sheet is in the humid air, especially when the air contains SiO2, CO2, NO2 and NO and other acidic substances, the surface of the galvan···
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There are three ways to test the corrosion resistance of hot-galvanized sheet: salt spray test; Wet test; Erosion test.
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