We offer Tantalum pentoxide with purity 99.5-99.9%. Any requirement, please contact to me ... many years of sales. The main products contain rare earth oxides, rare earth salts, metal neodymium, metal praseodymium, Pr-Nd ... alloys, metal lanthanum, low iron, low magnesium mixed rare earth alloy, magnetic materials, phosphors, flint and so on ... . COMMON GRADE TANTALUM PENTOXIDE WITH PURITY 99.5%-99.9%