Grayish blue glaze and firing method thereof
A technology of gray blue and glaze slurry, which is applied in the field of ceramic manufacturing, can solve the problems of low gloss and unsatisfactory glaze surface of electric porcelain, and achieve good economic benefits, improve appearance quality, and high pass rate
Inactive Publication Date: 2014-03-26
邱伟
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The invention relates to a grayish blue glaze. The grayish blue glaze comprises the following components by percent of total weight: 30%-35% of quartz, 32%-38% of feldspar, 8%-11% of talc, 2%-5% of clay, 6%-9% of limestone, 3%-5% of aluminum oxide, 7%-9% of zirconium silicate, 0.01%-0.05% of manganese oxide, 0.1%-0.4% of ferric oxide, 0.01%-0.05% of chromic oxide, 0%-0.3% of cobaltous oxide, 0%-1% of dispersing agent, and 0%-1% of sodium carboxymethyl cellulose, wherein the dispersing agent is ceramic dispersing agent A15, and zirconium silicate is 3 micron grade. A firing method for the grayish blue glaze comprises following specific steps of stoving, grinding, sieving, removing iron, ageing, spraying glaze and firing. The firing method not only can greatly improve the appearance quality and glaze performance of the ceramic, but also can guarantee high percent of pass of the product, and has good economical benefits.
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