... , CuNi18Zn20, CuNi18Zn27 ROHS standard Thickness: 0.10-2mm High precision copper nickel strip and plate: CuNi18Zn18, CuNi18Zn20, CuNi18Zn271. Properties:1) Excellent ductility2 ... ) potential meter slides, medical instruments3) architectural fittings and wind instruments Copper Nickel strip CuNi18Zn18, CuNi18Zn20, CuNi18Zn26