Raw material for plating solutions and surface treatment agents Cobalt sulfate is used in plating and surface treatment agents for consumer electronics, sheet steel for automobiles, aluminum substrates, copper foil for PCBs, ceramic resins, etc. It’s also used in various electronic and chemical fields. [Applications] - Raw material for plating solutions, surface treatment agents - Electronic components - Ceramics - Conductive materials, insulation materials - Trace minerals, nutritional additives