... Material: Tantalum Grade: RO5200,RO5400,RO5252,RO5255 Size: circular targets & rectangular targets Purity: >=99.95%or99.99% Our company specialize in ... wires, etc, sheets, wires, rods, bars, plates, seamless tubes, targets, crucibles capillary tube, welded tubing sputtering target etc. in conformity ... RO5252(Ta-2.5W), RO5255(Ta-10W)Size:circular targets: Diameter 25mm up to 400mm x Thickness 3mm up to ...