Ceramic glaze and preparation method thereof
A ceramic glaze and glaze technology, applied in the field of high-performance ceramic glaze and its preparation, can solve the problems of lowering the initial melting temperature of the glaze, pinholes in the glaze surface, and lower product quality, so as to achieve lower melting temperature and smooth surface , the effect of increasing liquidity
Active Publication Date: 2017-12-01
DONGGUAN CITY WONDERFUL CERAMICS IND PARK +1
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The invention discloses ceramic glaze prepared from the following components in weight percentages: 40 to 80% of SiO2, 8 to 20% of Al2O3, 0 to 5% of B2O3, 3 to 13% of CaO, 1 to 6% of MgO, 1 to 10% of BaO, 0 to 5% of ZnO, 1 to 4% of K2O, 1 to 4% of Na2O, 5 to 13% of ZrO2, 0 to 0.5% of Fe2O3, and 0 to 0.5% of TiO2. The invention also discloses a preparation method of the ceramic glaze. In the preparation method of the invention, some raw materials in the glaze formula are calcined at high temperature in advance, which helps to reduce defects such as bubbles and pinholes on the glaze and improves the quality of a product, meanwhile, the melting temperature of the glaze is properly reduced, the fluidity of a glaze melt at the high temperature is increased, and a flat, fine and smooth surface can be easily obtained. By adoption of the preparation method of the invention, the matte glaze with good hand feel and low glossiness can be obtained, and the high gloss glaze with a smooth surface and without pinholes or bubbles can also be obtained, so as to obtain the ceramic product with more excellent performance.
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