Home > Listing of Enamels > Opalescent EnamelClick Image To View Larger 3 White (opal) (MB) $4.25 Weight 1 oz ($4.25) 8 oz ($34.00) 16 oz ($68.00) 5456:=:4.25,5455:=:34,5457:=:68 Quantity: - + Opalscent, Milton Bridge Enamel for Copper, Silver, Gold, Iron and Steel. This enamel is "medium fusing" and should be fired at 1450 to 1550 degrees F. for approximately 2 to 4 minutes. The enamel is lead bearing