| 摘要 |
PURPOSE: A concrete product using metal oxide and a method for coloring concrete are provided to express various color on concrete and hardened concrete products by mixing metal oxide expressing various colors and an acidic solution containing chlorine components. CONSTITUTION: A concrete product using metal oxide and a method for coloring concrete includes the following: metal oxide expressing various colors and an acid solution containing a chlorine component are mixed; and the mixed solution is applied on hardened concrete products and the surface of concrete. The coloring method includes a coloring surface washing process, a coloring agent applying process, and a remaining material eliminating process. The metal oxide includes Al_2O_3, Cr_2O_3, MnO, Fe_2O_3, and CuO. The content of the metal oxide is adjusted according to desired colors.
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