Is the galvanized coil plate resistant to high temperature
Upload Time:
2021-11-09
The melting point of zinc is 419.5 ℃, and its chemical properties are vivid. In air at room temperature, a thin and dense basic zinc carbonate film is formed on the surface, which can prevent further oxidation. When the temperature reaches 225 ℃, zinc oxidizes violently and appears as white zinc oxide. After high-temperature barbecue, the anti-corrosion material on the surface of the galvanized sheet is oxidized, so the galvanized sheet cannot withstand high temperatures. The surface may change color when heated, or other protective substances on the surface may turn yellow after oxidation.
The melting point of zinc is 419.5 ℃, and its chemical properties are vivid. In air at room temperature, a thin and dense basic zinc carbonate film is formed on the surface, which can prevent further oxidation. When the temperature reaches 225 ℃, zinc oxidizes violently and appears as white zinc oxide. After high-temperature barbecue, the anti-corrosion material on the surface of the galvanized sheet is oxidized, so the galvanized sheet cannot withstand high temperatures. The surface may change color when heated, or other protective substances on the surface may turn yellow after oxidation.
The surface of galvanized rolled sheet should be free of oil or wax components, as well as other stains or dust, in order to improve the adhesion of atomic ash;
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