... )high quality tantalum(Ta)2)its alloy(Ta10W, Ta2.5W, Ta40Nb) plate, sheet, foil, strip, ribbon, tape, rod, bar, wire, tube ... high quality tantalum(Ta) and its alloy(Ta10W, Ta2.5W, Ta40Nb) plate, sheet, foil, strip, ribbon, tape, rod, bar, wire, tube ...