MAT CERAMIC OVERGLAZED DYE Russian patent published in 1996 - IPC

FIELD: finishing of ceramic articles. SUBSTANCE: proposed ceramic dye contains (mass %): lead oxide having essential formula Pb₃O₄; 5.90-7.50, silicium oxide having essential formula SiO₂; 8.90-12.10, boron oxide having essential formula B₂O₃; 1.80-2.60, sodium oxide having essential formula Na₂O, 0.70-1.10, zinc oxide having essential formula ZnO 26.80-29.0, aluminium oxide having essential formula Al₂O₃; 14.40-15.20, calcium oxide having essential formula CaO 0.30-0.50, titanium oxide having essential formula TiO₆ 0.30-0.50, magnesium oxide having essential formula MgO 0.30-0.50, zirconium oxide having essential formula ZrO₂ 26.90-29.70, ferrum oxide having essential formula Fe₂O₃ 3.30-4.30, chromium oxide having essential formula Cr₂O₃ 3.10-3.50, antimony oxide having essential formula Sb₂O₃. 0.30-0.50. Coefficient of reflection of desired dye is 0.098-0.581. EFFECT: improves quality of desired product. 3 tbl