Nanometer Products Product description:Nickel-cobalt nanopowder; Nano nickel-cobalt powder; Nano nickel-cobalt alloy powder. Product specification:Â 60-100nm Molecular formula:Â Ni-Co Appearance:Â Black or gray black powder Product use:Hard alloy; hydrogen storage alloy electrode; alloy coating; magnetic materials; catalyst, etc. Packing, storage and shipping: Aluminum foil packaging 500g, 1kg, 5kg. Seal packaging. Store in a cool & dry place. Keep it away from oxidizing agent.