It works but it contaminates your torch and cleaning up takes longer than grinding. I don't like getting up and going to the grinder so I grind a half dozen or so and weld until I need to grind again. Sometime that may be a few hours and sometimes a few minutes if the welding is in a difficult area.I haven't ground a tungsten electrode in years. Once shown how to properly use this stuff, I never looked back:
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