Tungsten rod,tungsten bar,tungsten electrode is for the application of electorde,emission cathode,high ... -temperature forming rod Tungsten rod, tungsten bar,tungsten electrode is for the application of emission cathode, high-temperature ... 1) For making cathodes, high temperature setting rods, electrodes2) Leads, supports and typing needles3) Electrode of WTh20, WCe20, Pure tungsten for TIG ...