Lead-free glass compositions for decorating ceramic materials

摘要

A new lead-free glass flux suitable for the decoration of ceramic materials comprises SiO₂, Al₂O₃, B₂O₃ and Li₂O as essential components. The lead-free glass flux is a glass mixture in which a glass composition having a relatively low coefficient of thermal expansion and a glass composition having a relatively high coefficient of thermal expansion and a relatively high chemical resistance are mixed at an appropriate ratio.