Bismuth-containing lead-free glass enamels and glazes of low silica content

摘要

A glass enamel or glaze, suitable for decorating a section of glass, including a glass frit, said glass frit comprising in weight percent from about 35% to about 77% of bismuth oxide, from about 10% to about 33% of boron oxide, from about 10% to about 32% of zinc oxide and less than about 0.75% PbO.