Preparation process of underglaze color household porcelain
A preparation process and technology of underglaze color, which is applied in the field of preparation of underglaze color daily-use porcelain, can solve the problems of high brittleness, low impact resistance and high raw material cost of ceramic tableware, achieve lower sintering temperature, increase flexural strength, The effect of reducing production costs
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Embodiment 1
[0041] Underglaze daily-use porcelain includes body and glaze. The body includes the following raw materials in parts by weight: 15 parts of anorthite, 30 parts of illite, 30 parts of quartz, 15 parts of wollastonite, 8 parts of sepiolite, vermiculite powder 8 parts, 3 parts of red jade soil, 3 parts of magnesium chloride, 1.8 parts of titanium oxide, 1.2 parts of strontium carbonate, 0.5 parts of tin oxide;
[0042] The glaze includes the following raw materials in parts by weight: 30 parts of frit, 10 parts of pyrophyllite, 15 parts of kaolin, 25 parts of quartz, 5 parts of zirconium silicate, 8 parts of clam powder, 3 parts of cobalt oxide, 3 parts of titanium dioxide, and 1 part of calcium phosphate part, 0.8 part of barium oxide;
[0043] The chemical percentage of the frit is: SiO 2 : 58%, Al 2 o 3 : 16%, MgO: 2%, Na 2 O: 8%, CaCO 3 : 8%, La 2 o 3 : 5.2%, SnCl 2 :2%, TiO 2 : 0.5%, SrCO 3 : 0.3%;
[0044] Its preparation process comprises the following steps: ...
Embodiment 2
[0059] Underglaze daily-use porcelain includes body and glaze. The body includes the following raw materials in parts by weight: 18 parts of anorthite, 25 parts of illite, 40 parts of quartz, 12 parts of wollastonite, 10 parts of sepiolite, vermiculite powder 5 parts, 5 parts of red jade soil, 1 part of magnesium chloride, 2.5 parts of titanium oxide, 0.8 parts of strontium carbonate, 0.8 parts of tin oxide;
[0060] The glaze includes the following raw materials in parts by weight: 40 parts of frit, 8 parts of pyrophyllite, 22 parts of kaolin, 20 parts of quartz, 8 parts of zirconium silicate, 4 parts of clam powder, 5 parts of cobalt oxide, 1 part of titanium dioxide, and 2 parts of calcium phosphate part, 0.5 part of barium oxide;
[0061] The chemical percentage of the frit is: SiO 2 : 65%, Al 2 o 3 : 13%, MgO: 4%, Na 2 O: 6%, CaCO 3 : 5%, La 2 o 3 : 4.7%, SnCl 2 :1%, TiO 2 : 0.7%, SrCO 3 : 0.6%;
[0062] Its preparation process comprises the following steps:
...
Embodiment 3
[0076] Underglaze daily-use porcelain includes body and glaze. The body includes the following raw materials in parts by weight: 16 parts of anorthite, 27 parts of illite, 35 parts of quartz, 13 parts of wollastonite, 9 parts of sepiolite, vermiculite powder 7 parts, 4 parts of red jade soil, 2 parts of magnesium chloride, 2.2 parts of titanium oxide, 1 part of strontium carbonate, 0.6 parts of tin oxide;
[0077] The glaze includes the following raw materials in parts by weight: 35 parts of frit, 9 parts of pyrophyllite, 18 parts of kaolin, 22 parts of quartz, 7 parts of zirconium silicate, 6 parts of clam powder, 4 parts of cobalt oxide, 2 parts of titanium dioxide, and 1.5 parts of calcium phosphate part, 0.6 part of barium oxide;
[0078] The chemical percentage of the frit is: SiO 2 : 63%, Al 2 o 3 : 14%, MgO: 3%, Na 2 O: 7%, CaCO 3 : 6%, La 2 o 3 : 4.5%, SnCl 2 :1.5%, TiO 2 : 0.6%, SrCO 3 : 0.4%;
[0079] Its preparation process comprises the following steps: ...
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