Green body of red soil ceramic and formula of transmutation glaze of red soil ceramic
A technology for changing the glaze of red earth pottery and kiln is applied in the formulation field of ceramic body and its surface glaze, which can solve the problems of large amount of lead dissolved in the product, prone to early glaze cracking, and difficulty in glazing, etc., so as to reduce the energy consumption of firing, The effect of improving the grade and market share and saving production costs
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Embodiment approach 1
[0011] This embodiment is a preferred embodiment.
[0012] Red soil pottery green body, the preparation of the green body includes the following raw materials: laterite, quartz, talc, limestone, dolomite; more specifically, the raw material for the preparation of the green body includes the following components: 49.3% SiO 2 , 26.3% Al 2 o 3 , 2.1% Fe 2 0 3 , 1.6% K 2 O, 1.9% MgO, 18.8% CaO.
[0013] Red soil pottery kiln variable glaze, the preparation of the glaze includes the following raw materials: 37 parts of potassium feldspar, 23 parts of albite feldspar, 12 parts of calcium oxide, 18 parts of barium oxide, 12 parts of Longyan kaolin, 9 parts of quartz powder, 0.3 parts of sodium tripolyphosphate 15 parts of titanium oxide, 6 parts of rutile, 8 parts of zinc oxide, and 14 parts of coloring agent; the firing temperature of the glaze is 1230°C.
Embodiment approach 2
[0015] Red soil pottery green body, the preparation of the green body includes the following raw materials: laterite, quartz, talc, limestone, dolomite; more specifically, the raw material for the preparation of the green body includes the following components: 49.3% SiO 2 , 26.3% Al 2 o 3 , 2.1% Fe 2 0 3 , 1.6% K 2 O, 1.9% MgO, 18.8% CaO.
[0016] Red soil pottery kiln variable glaze, the preparation of the glaze includes the following raw materials: 35 parts of potassium feldspar, 25 parts of albite feldspar, 8 parts of calcium oxide, 15 parts of barium oxide, 15 parts of Longyan kaolin, 6 parts of quartz powder, 0.4 parts of sodium tripolyphosphate 20 parts, 20 parts of titanium oxide, 2 parts of rutile, 10 parts of zinc oxide; the firing temperature of the glaze is 1210 ℃.
Embodiment approach 3
[0018] Red soil pottery green body, the preparation of the green body includes the following raw materials: laterite, quartz, talc, limestone, dolomite; more specifically, the raw material for the preparation of the green body includes the following components: 49.3% SiO 2 , 26.3% Al 2 o 3 , 2.1% Fe 2 0 3 , 1.6% K 2 O, 1.9% MgO, 18.8% CaO.
[0019] Red soil pottery kiln variable glaze, the preparation of the glaze includes the following raw materials: 40 parts of potassium feldspar, 22 parts of albite feldspar, 15 parts of calcium oxide, 20 parts of barium oxide, 8 parts of Longyan kaolin, 12 parts of quartz powder, 0.2 parts of sodium tripolyphosphate 10 parts of titanium oxide, 10 parts of rutile, 3 parts of zinc oxide, 25 parts of coloring agent; the firing temperature of the glaze is 1250°C.
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