Make |
Adulterant |
Doping amount |
Other doping amount |
Electric releasing power |
Color marker |
Wl10 |
La2O3 |
0.8-1.20% |
<0.2% |
2.6-2.7 |
Black |
Wl15 |
La2O3 |
1.30-1.70% |
<0.2% |
2.8-3.0 |
Golden yellow
|
Wl20 |
La2O3 |
1.80-2.20% |
<0.2% |
2.8-3.2 |
Light blue |
LA and W. electrode has been welcomed in the world, especially the kind of electrode containing 1.5%La and W. According to scientific research , this one is the nearest to Th and W electrode in the conductivity,so the welding technicians can change the electrode easily ,without changing the equipment parameter.
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