Milton Bridge Enamels for Copper, Silver, Gold, Iron and Steel. Blythe enamel is in the “medium fusing” range and should be fired at 1450 to 1550 degrees F. for approximately 2 to 4 minutes.
Milton Bridge is a trademark of Milton Bridge Ceramic Colours Limited UK This is currently a full production line of enamel. All Enamel is lead bearing.
 "Milton Bridge Enamel Assorted Transparent & Opaque Sample Kit")