Tantalum sputtering target, Tantalum disc Grade: RO5200,RO5252,RO5255 Standard ASTM B 708-98 Purity: 99.95% or 99.99% We are factory ... ,Including foil tube ,rod,wire,sheet,plate, ,rod,strip,target and so on.Tantalum sputtering target, Tantalum targetMaterial: RO5200, RO5400, RO5252 ... 600mm x Lengthup to 2000mmPurity: >=99.95% or 99.99%Grade : 3N, 3N5, 4N, with Ta 99.99%min Recrystallization : 95%min ...