... ROHS standard Thickness: 0.10-2mm 1.High precision nickel silver strip and sheet: CuNi18Zn18, CuNi18Zn20, CuNi18Zn26Pleasant silvery color ... Model:JIS No. : C7541,C7521 and C77013.Use:Liquid crystal vibration device covers,shielding for mobile phones,optical instruments ... ,silverware,jewellery,zippers and keys,musical instrumentscoins Nickel sliver strip CuNi18Zn18, CuNi18Zn20, CuNi18Zn26