Enameled glass starts with standard flat or low-iron glass to which an opaque layer of enamel is added. During the tempering process of the glass, these enamels melt and fuse permanently to the glass surface to form a colored ceramic layer.

Enameled glass starts with standard flat or low-iron glass to which an opaque layer of enamel is added. During the tempering process of the glass, these enamels melt and fuse permanently to the glass surface to form a colored ceramic layer.