Tantalum tube Our company( Baoji Zhongbang Rare metal materials CO., LTD) is engaged in smelting, processing and selling rare metal materials.We supply all kinds products of tantalum, niobium, titanium, tungsten and molyvdenum, such as ingots, sheets, rods, foils wires and other dimensions required. Please contact us through email or telephone, and we will send you our product catalog and company information.look forward to hear from you, thank you. Product name: Tantalum tube Size: Dia( 1.0~ 80mm) * Thk( 0.2~ 5.0mm) * L( 200~ 5000nm) Purity: 99.95% ( min) Stan dard: ASTMB708 R05200/ R05400