Blank for medium-temperature firing through-flower porcelain and preparation method for medium-temperature firing through-flower porcelain
A through-flower porcelain, medium-temperature technology, used in applications, clay products, household appliances, etc., can solve the problems of whiteness, adverse effects of light transmittance, high impurity content, and limited addition of porcelain blanks, and achieve good decorative effects. Low firing temperature, the effect of lowering firing temperature
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Embodiment 1
[0033] 1) Preparation of blank: The blank is made of the following raw materials in parts by mass: 30 parts of quartz, 50 parts of high-alumina clay, 20 parts of synthetic flux, and 1 part of polyvinyl alcohol. The synthetic flux used is made of quartz, borax, spodumene , limestone, zircon and trace amounts of cobalt oxide are mixed, melted at a high temperature of 1300 ℃, and water-quenched into a frit, which contains the following chemical components in parts by mass: SiO 2 64 copies, B 2 o 3 13 copies, Al 2 o 3 6 parts, CaO 2 parts, Na 2 O 6 parts, Li 2 O 2 parts, ZrO 2 4 copies, Co. 3 o 4 0.1 part;
[0034] 2) Grouting molding: Pour the mud into the plaster mold, after standing for a period of time, when the thickness of the green body reaches 4mm, pour out the mud, and take out the green body when the moisture content of the green body is reduced to 18%;
[0035] 3) Engraving through the flower: press the pattern on the surface of the billet manually, and re...
Embodiment 2
[0043] 1) Preparation of blank: The blank is made of the following raw materials in parts by mass: 25 parts of quartz, 60 parts of high-alumina clay, 15 parts of composite flux, and 1.5 parts of carboxymethyl cellulose. The synthetic flux used is made of quartz, borax, lithium After mixing pyroxene, limestone, zircon and a small amount of cobalt oxide, the frit is melted at a high temperature of 1300 ℃ and water quenched. It contains the following chemical components in parts by mass: SiO 2 64 copies, B 2 o 3 13 copies, Al 2 o 3 6 parts, CaO 2 parts, Na 2 O 6 parts, Li 2 O 2 parts, ZrO 2 4 copies, Co. 3 o 4 0.2 copies;
[0044] 2) Grouting molding: Pour the mud into the plaster mold, after standing for a period of time, when the thickness of the green body reaches 4mm, pour out the mud, and take out the green body when the moisture content of the green body is reduced to 18%;
[0045] 3) Engraving through the flower: press the pattern on the surface of the billet...
Embodiment 3
[0053] 1) Preparation of blank: The blank is made of the following raw materials in parts by mass: 30 parts of quartz, 55 parts of high-alumina clay, 15 parts of composite flux, and 1 part of carboxymethyl cellulose. The synthetic flux used is made of quartz, borax, lithium After mixing pyroxene, limestone, zircon and a small amount of cobalt oxide, the frit is melted at a high temperature of 1300 ℃ and water quenched. It contains the following chemical components in parts by mass: SiO 2 66 copies, B 2 o 3 12 copies, Al 2 o 3 8 parts, CaO 3 parts, Na 2 O 5 parts, Li 2 O 3 parts, ZrO 2 3 copies, Co. 3 o 4 0.15 copies;
[0054] 2) Grouting molding: Pour the mud into the plaster mold, after standing for a period of time, when the thickness of the green body reaches 4mm, pour out the mud, and take out the green body when the moisture content of the green body is reduced to 18%;
[0055] 3) Engraving through the flower: press the pattern on the surface of the billet m...
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