Nickel-Free™ is an ecological, completely cyanide-free, nickel-free, and hypo-allergenic white depositing plating solution. Nickel-Free™ deposits a specially formulated alloy similar in color to nickel, achieving a decorative hard metal barrier between bright copper and final finishes such as gold and silver. Heat to 130-150°F, plate at 2-3 volts for 30-90 seconds. Platinized titanium anode. MSDS