Home > Listing of Enamels > Milton Bridge Enamel > Milton Bridge OpaquesClick Image To View Larger O-111 Terracotta (op) $8.50 Weight 1 oz. ($8.50) 8 oz. ($68.00) 16 oz. ($136.00) 4260:=:8.5,4258:=:68,4259:=:136 Quantity: - + Opaque, Milton Bridge Enamel for Copper, Silver, Gold, Iron and Steel. This enamel is "medium fusing" and should be fired at 1490 to 1530 degrees F. for approximately 2 to 4 minutes. All Enamel is new stock and lead bearing.