Spherical three-dimensional cracking copper blue glaze and preparation method thereof
A spherical and three-dimensional technology, which is applied in the field of spherical three-dimensional cracked copper blue glaze and its preparation, can solve the problems of poor hydrolysis resistance of glaze surface and rare museums, and achieve bright and pure glaze color, adding beauty and improving hydrolysis resistance. Effect
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Embodiment 1
[0036] The weight percent of the spherical three-dimensional cracked copper blue glaze raw materials is composed of: 31% of quartz, 0% of potassium feldspar, 2% of borax, 1% of aluminum oxide, 5.5% of lead silicate, 28% of potassium nitrate, 0.3% of alkali powder, oxide Copper 3%, sodium silicate 27%, zircon powder 1.2%, zinc oxide 1%.
[0037] The preparation steps are:
[0038] First, ingredients, weigh the raw materials, put them into the mill, grind them, mix them evenly, and pass the mill through a 120-mesh sieve;
[0039] Second, glazing, the surface of the 85 alumina body is evenly glazed and glazed several times, and the thickness of the glaze layer is 1.3mm;
[0040] Third, firing, the heating system is: room temperature to 500°C, the heating rate is 3.5°C / min; 500 to 700°C, the heating rate is 2°C / min; 25min.
[0041] The real picture of the product of embodiment 1 is shown in the appendix image 3 .
Embodiment 2
[0043] The weight percent of the spherical three-dimensional cracked copper blue glaze raw materials is composed of: 25% of quartz, 6% of potassium feldspar, 2.5% of borax, 1.2% of aluminum oxide, 5% of lead silicate, 26% of potassium nitrate, 0.2% of alkali powder, oxide Copper 4.1%, sodium silicate 28%, zircon powder 1%, zinc oxide 1%.
[0044] The preparation steps are:
[0045] First, ingredients, weigh the raw materials and water, put into the mill, grind, mix, and pass through a 120-mesh sieve after milling;
[0046] Second, glazing, the surface of the 85 alumina body is evenly brushed and glazed several times, and the thickness of the glaze layer is 1.2mm;
[0047] Third, firing, the heating system is: room temperature to 500°C, the heating rate is 3.5°C / min; 500-700°C, the heating rate is 2.3°C / min; 20min.
[0048] The real picture of the product of embodiment 2 is shown in the appendix Figure 4 .
Embodiment 3
[0059] The weight percent of the spherical three-dimensional cracked copper blue glaze raw materials is composed of: 33% of quartz, 2% of potassium feldspar, 1% of borax, 1.5% of aluminum oxide, 8% of lead silicate, 23% of potassium nitrate, 0.1% of alkali powder, oxide Copper 2%, sodium silicate 26%, zircon powder 1.4%, zinc oxide 2%.
[0060] The preparation steps are:
[0061] First, ingredients, weigh the raw materials and water, install the mill, grind and mix;
[0062] Second, glazing, evenly and repeatedly brushing the glaze on the surface of the green body, the thickness of the glaze layer is 1.5mm;
[0063] Third, firing, the heating system is: room temperature to 500°C, the heating rate is 3.5°C / min; 500-700°C, the heating rate is 2.5°C / min; 20min.
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