Black-Free™ is a black antique plating solution which is used over many different metals. The solution plates a rich black coating which is easily relievable with minor abrasion. After the article is plated, then the high spots are relieved to give the final antique look. Great alternative to flammable and toxic black lacquer dipping baths. Heat to 120-140°F, plate at 3-4 volts for 30 seconds -2 minutes. Stainless anode. MSDS