Novel copper-iron colored glaze and method for making daily-use porcelain with it
A technology of daily-use porcelain and copper-iron, which is applied in the field of new-type copper-iron colored glaze and its production of daily-use porcelain, can solve the problems of scarcity of high-quality products, loss of copper-red glaze production technology, and inability to meet consumer demand, etc. Achieve the effects of not easy to flow and stick to the bottom, less glaze defects, and reduce production difficulty
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Embodiment 1
[0016] This embodiment discloses a novel copper-iron colored glaze, which comprises 22 parts of quartz, 5 parts of kaolin, 17 parts of calcite, 3 parts of bone meal, 8 parts of barium carbonate, and 47 parts of albite in terms of components and weight proportions. 2.2 parts of tin oxide, 0.8 parts of copper oxide.
[0017] Prepare the material according to the above formula, put it into the ball mill for wet ball milling for about 24 hours, material: ball: water = 1: 1.8: 0.8, the fineness is controlled at 250 mesh sieve and the remaining 0.25%, pass through 200 mesh sieve for later use;
[0018] The glaze is applied on the biscuit by using the glaze dipping process, and the thickness of the glaze layer is controlled at 0.7mm. After drying, it is fired in a kiln. The specific firing conditions are: heating in an oxidizing atmosphere at room temperature, and slowly heating up to 350°C at a rate of 30°C / h. ℃, then heat up to 900°C at a rate of 70°C / h, turn to heavy reducing atmo...
Embodiment 2
[0021] This embodiment discloses a new type of copper-iron colored glaze, which includes 33 parts of quartz, 5 parts of kaolin, 16 parts of calcite, 0.5 part of bone meal, 2 parts of barium carbonate, and 32 parts of albite in terms of components and weight proportions. 2 parts of tin oxide, 0.5 parts of copper oxide, 2 parts of talc, and 4 parts of glass powder. Prepare the material according to the above formula, put it into the ball mill for wet ball milling for about 24 hours, material: ball: water = 1: 2.1: 0.8, the fineness is controlled at 250 mesh sieve and the remaining 0.2%, pass through 200 mesh sieve, and then add CMC0. Grind 1% for 2 hours, mix well and then grind.
[0022] The bottom glaze includes 38 parts of potassium feldspar, 17 parts of calcite, 6.5 parts of kaolin, 29.5 parts of quartz, 8 parts of zinc oxide, 2 parts of talc and 1 part of boron frit in the base glaze. After accurately weighing according to the formula of the bottom glaze, put it into the b...
Embodiment 3
[0026] This embodiment discloses a new type of copper-iron colored glaze, which includes 20 parts of quartz, 11 parts of kaolin, 12 parts of calcite, 2 parts of barium carbonate, 50 parts of albite and 2.5 parts of tin oxide in terms of components and weight proportions. , 0.5 parts of copper oxide.
[0027] Prepare the material according to the above formula, put it into the ball mill for wet ball milling for 24 hours, material: ball: water = 1:2:0.8, the fineness is controlled at 250 mesh sieve and the remaining 0.2%, pass through the 200 mesh sieve for later use.
[0028] The glaze is applied on the biscuit by using the glaze dipping process, and the thickness of the glaze layer is controlled at 0.6mm. After drying, it is fired in a kiln. The specific firing conditions are: heating in an oxidizing atmosphere at room temperature, and slowly heating up to 350°C at a rate of 40°C / h. ℃, then heat up to 900°C at a rate of 80°C / h, turn to heavy reducing atmosphere and burn to 118...
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