Weldporn pink Multi-Mix has been proven to dramatically increase weld quality and service life by offering unsurpassed stability and consistency in every weld. It is non-thoriated, non-radioactive, and non-carcinogenic. It is a proprietary product containing multiple additivies of rare earth oxides. Each additive complements others to enhance the welding performance. Being non-radioactive, it is a popluar replacement to thoriated tungsten. Multi-Mix tungsten electrodes can be used at all current ranges on both DC and AC TIG.