1. suitable for argon arc welding, plasma cutting and for making cathodes for projecting devices 2. made in Luoyang

Grade	Content La2O3%	Diameter (mm)	Diameter Tolerance		Length (mm)
			black	Polished(mm
	1.3-1.7	1.0 1.5(1.6) 2.0 2.4(2.5) 3.0(3.2) 4.0 5.0 6.0 6.5	±2%	±0.03	150-500
WLa-15
	1.8-2.2			±0.05

1. suitable for argon arc welding, plasma cutting and for making cathodes for projecting devices2. made in Luoyang