柱体铌, 6.35mm (0.25in) 直径 x 12.7mm (0.50in) 长, Puratronic?, 99.99% (metals basis去除Ta), Ta 300ppm，99.99%

Niobium slug, 6.35mm (0.25in) dia x 12.7mm (0.50in) length, Puratronic|r, 99.99% (metals basis excluding Ta), Ta 300ppm

仅供研发或工业应用，不可直接用于食品、药品、临床诊断或治疗。