Sold in 6-packs of three each, 1/16" Blue Demon EWTh-2 has higher thoria content which causes the operating characteristic improvements to be more pronounced than on the lower thoria content EWTh-1. The additional thoria also provides about 20 percent higher current-carrying capacity, longer life and resistance to contamination of the weld.
If you decide to use these electrodes for AC welding, balling can be accomplished by briefly and carefully welding with DC electrode positive prior to welding with AC. During AC welding, the balled end does not melt resulting in emission that is not as good as from a liquid ball on an EWP electrode.
Note: If electrode grinding is used, special precautions relative to ventilation should always be considered in order to avoid ingestion of dust.
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