Tungsten rod,tungsten bar,tungsten electrode is for the application of electorde,emission cathode,high-temperature ... is for the application of emission cathode, high-temperature forming rod, support wire, lead-in wire, printer pin, various electrodes and ... heating devices of quartz furnace, etc.Specifications:Diameter: 0.1 - 13.5mmApplications: 1) For making cathodes, high ...