PRODUCT INFORMATION Category: Tungsten Electrodes Alloy: WW2% Thoriated Class: EWTH-2 Description: The thoria provides about 20 percent higher current-carrying capacity, longer life and resistance to contamination of the weld. Designed for DCEN applications, low level radioactive material. Note: If electrode grinding is used the dust might be ingested, special precautions relative to ventilation should always be considered. Chemical Composition Thorium Oxide (ThO2) 2% called thoria