Nano nickel coated copper powder, Nano nickel-copper alloy powder, Nano nickel-copper powder, Nickel-Copper nanopowder, Nano Ni-Cu Average particle size: 45nm ( TEM) Size distribution: 30-60nm Purity: Ni: 30% , Cu: 70% Appearance: Black powder Shape: Spherical Specific surface area: 8-30m2/ g Apparent density: 0.2-0.3 g/ cm3