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Lanthanum -Tungsten Electrode is well known for its good welding performance.It is the electrode added with 1-2% of La2O3.The power of its electronic transgression is 2.7-2.8ev,bearing the closest features to those of the Thorium-Tungsten Electrode. Its arc features and burn spoilage endurance used with small and medium currents.
Lanthanum-Tungsten Electrode is the substitution product of thorium-tungsten electrode because of its non-radiation. Its other advantage is its endurance of high current and low burn spoilage rate.

Model	Oxide Addictive		Impurities content	Tungsten contents	Color standard
	Varieties	Content%
WL10	La2O3	0.80-1.20	<0.2	Remainder	Black