| 摘要 |
PURPOSE: An environment-friendly board and a manufacturing method thereof are provided to attach a three-dimensional symbol for design, fabric, slicing, timber symbol, or traditional Korean paper, thereby enabling a manufacturer to flexibly cope with the preference of a consumer. CONSTITUTION: A first mixed layer(10) comprises a magnesium oxide and magnesium chloride. A first natural fiber layer(20) is arranged on the first mixed layer. A second mixed layer(30) comprises the magnesium oxide, the magnesium chloride, and charcoal powder. A second natural fiber layer(22) is arranged on the second mixed layer. A third mixed layer(40) comprises yellow soil, the magnesium oxide, the magnesium chloride, and wood powder. |
