*FORMULA CHANGE ON THE FOLLOWING CLAYS*
*181, 417, 420, 563, 630*
Zinc-Free Clear is a glossy transparent glaze that produces attractive high fire glossy effects at mid-range temperatures.
*Zinc can cause some pigments in slips and underglazes to shift in color, this clear glaze was formulated to prevent those color shifts.
Tableware producers must test all finished ware to establish dinnerware status, due to possible variations in firing temperature and contamination.