... , RO5400, RO5252, RO5255 Purity: 99.95% or 99.99% Size: Dia70-150mm Material: Tantalum ingot Grade: RO5200, RO5400, RO5252, RO5255 Purity: 99.95% or 99.99% Size: Dia70-150mmThe ... detail of tantalum ingot is as follows:Material: Tantalum ingotGrade: RO5200, RO5400, RO5252, RO5255Purity: 99.95% or 99.99%Size ...