| 摘要 |
PURPOSE: A manufacturing method of a brick with irregular patterns is provided to form the irregular patterns on the surface of the brick by inserting ferrous tetroxide and zinc into a furnace during a glaze firing process. CONSTITUTION: A manufacturing method of a brick with irregular patterns comprises the following steps: mixing 100parts of clay by weight, 25parts of yellow soil by weight, 3parts of copper oxide by weight, 2~2.5parts of sodium hydroxide by weight, 1part of titanium oxide, and 1part of iron protoxide by weight to obtain a brick mixture; heating 100parts of water by weight and 20parts of persicaria tinctoria by weight for 1hour at 100deg c to obtain a persicaria tinctoria extract; mixing the persicaria tinctoria extract with the brick mixture, and heating for 14hours at 1,000~1,200deg C after molding into a brick shape; and adding powder containing ferrous tetroxide and zinc in a ratio of 1:1.5, and heating for 1hour before cooling.
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