Current Density:/15-25 amp/ft^2 For nonferrous metals (also as 2nd strike for steel) Temperature/70-85 F Voltage:/4-6 Copper Cyanide/1.5 Current Density/15-25 amp/ft^2 Voltage/4-6 Potassium Cyanide/10 Silver Cyanide/0.5-0.7 oz/gal Silver Cyanide/0.25 oz/gal Potassium Cyanide/10-12 Temperature:/70-85 F