Gun Alloy Metal Plating for Antic Silver Ancient Black Ruthenium Imitation Plating

 Developed by our company, FH 189 Tracer Cobalt Gunmetal plating process is the latest product which features to produce a layer of non-magnetic and extremely low containing of cobalt. It can make a shiny and pure black Cobalt Tin alloy layer which is widely allied in various of components those have close contact with human skins, such as buttons, zipper sliders, toys, lights and digital products and so on. This process is developed in terms of general cobalt tin process which containing high cobalt, but color not black enough, bath performance not stable and layer easy to get magnetic; as well as the strong acidity and high cost of Black Ruthenium.