| 摘要 |
The invention concerns a method of production of enamel glaze, based on melting ingredients until obtaining liquefied mass, from which by means of fritting is produced granular frit, and then with slurry surface of product is covered and burnt until glazed, characterised in that oxide set, consisting of SIO2 in amount 30-40% of weight, with Na2O in amount 15-20% of weight, with K2O in amount 3-4% of weight, with B2O2 in amount 18-25% of weight, with TiO2 in amount 0-1% of weight, with Al2O3 in amount 3-6% of weight, with Na3AlF5 in amount 5-10% of weight, with CuO in amount 0.1-1.0% of weight, with BaO in amount 0-5% of weight, with Ni2O3 in amount 1.5-2.5% of weight with CoO in amount 0.5-1.5% of weight and MnO2 in amount 0-1% of weight, is melted and subject to above said fritting, and then the obtained frit in amount 50-60% of weight is ground with Al2O3 in form of corundum of granulation 40-60 μm in amount 20-35% of weight, with Li2CO3 in amount 8-15% of weight, with Cr2O3 in amount 2-3% of weight and with V2O5 in amount 0.8-2.0% of weight, and the obtained mixture is melted again and subject to fritting, and burning is carried out in temperature 1,020-1,175 K.
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