TA 순도 O C N H Fe Ni Cr Nb W Mo Si Ti 탄탈 파우더 99.95 0.005 0.008 0.005 0.003 0.005 0.005 0.005 0.005 0.002 0.002 0.005 0.001 탄탈 파우더 99.9 0.12 0.008 0.004 0.002 0.004 0.003 0.003 0.003 0.002 0.002 0.002 0.001
