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E3® TUNGSTEN BENEFITS
These are the reasons why you should switch to purple color code E3® Tungsten electrodes.
Purple E3® Tungsten is not radioactive.
For years red color code 2% Thoriated Tungsten was preferred for direct current electrode negative conditions. Thorium is weakly radioactive and contains trace levels of naturally occurring isotopes that emit alpha particles at a very long half-life. Due to the increased awareness and trends to eliminate all radioactive sources (even at safe levels) from the work environment, some welding communities recommend using non-radioactive alternatives.
E3 Benefits: Features
E3 Benefits: About
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