DULL CERAMIC OVERGLAZED PAINT Russian patent published in 1996 - IPC

FIELD: paints. SUBSTANCE: paint has, wt.-%: lead oxide (Pb₃O₄) 10.55-12.85; silicon oxide (SiO₂,) 35.4-38.8; boron oxide (B₂O₃,) 1.7-3.1; sodium oxide (Na₂O,) 0.3-0.7; zinc oxide (ZnO) 0.3-0.6; aluminium oxide (Al₂O₃,) 0.7-1.6; potassium oxide (K₂O,) 0.6-1.0; calcium oxide (CaO) 15.3-17.7; chrome oxide (Cr₂O₃,) 0.3-0.45; tin oxide (SnO₂,) 28-30. Properties: color - lilac-colored, stable and coloristic parameters, high saturation and color clarity in reddish-orange spectrum range. Paint is used for overglazed decorating porcelain, faience and other ceramic articles. Paint does not contain mirror component in reflected light from its surface. EFFECT: enhanced quality of paint. 3 tbl