... Size:Dia3mm(min) Purity:99.95%min ISO9001: 2000SGS Tantalum sheet/platesizes:3mm+Purity: 99.95%ISO9001: 2000Hlmet CO.,LTD holds ... new materials, including many sorts and grades of their metals, sheet, tube, wire ,rod ,crucible , target ,alloy and so on. Tantalum ... .004 (0.102) 0.375~0.500 excl (9.525~12.70)0.005 (0.127) 0.500~0.625 excl ... (12.70~15.88)0.007 (0.178) 0.625~0. ...