2% THORIATED (RED) EWTh-2/WT20
Principal Oxide: 1.7-2.2% Thorium Oxide
RADIOACTIVE. Best for use in Direct Current (D/C) applications using transformer-based content current power sources. Best for use on non-corroding steels, titanium alloys, nickel alloys, and copper alloys. Good D/C arc starts and stability, medium erosion rate, medium amperage range, medium tendency to spit.