How is the bronze sculpture colored?
The outside color of the bronze sculpture is called “patina”. If the bronze is left to the natural elements of air and moisture the copper will develope a green color. The patina color applied to the bronze sculpture at the foundries is done by a combination of heat and chemicals. Liver of Sulfur and Ferric Nitrate produce the black, golds, reds, and browns. Another method of coloring the bronze sculptures is with pigment color, referred to as “polychrome color”. After the bronze sculpture is patined it is sealed with clear wax or clear coat acrylic.