... Size:Dia3mm(min) Purity:99.95%min ISO9001: 2000SGS Pure Tantalum Foilsizes:3mm+Purity: 99.95%ISO9001: 2000Hlmet CO., ... their metals, sheet, tube, wire ,rod ,crucible , target ,alloy and so on. Tantalum features high melting point , low vapor pressure , ... industries such as electronics ,metallurgy, chemical processing , hard alloy cutters , aerospace and aviation. We can produce all kinds of tantalum ...