Application: | Electronics, Industrial, Medical |
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Standard: | GB, ASTM |
Purity: | >99.95% |
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Type | Trademark | Added impurity | Impurity quantity % |
Other impurities% | Tungsten % |
Electric discharged power | Color sign |
Lanthanated Tungsten Electrodes | WL10 | La203 | 0.8-1.2 | < 0.20 | The rest 99.95% | 2.6-2.7 | Black |
WL15 | 1.3-1.7 | 2.8-3.0 | Gold | ||||
WL20 | 1.8-2.2 | 2.8-3.2 | Blue |
Trademark |
Added impurity |
Impurity quantity |
Other impurities |
Tungsten |
color sign |
WT10 | Th02 | 0.9-1.2 | < 0.2 | The rest | yellow |
WT20 | Th02 | 1.8-2.2 | < 0.2 | The rest | Red |
WT30 | Th02 | 2.8-3.2 | < 0.2 | The rest | Purple |
WT40 | Th02 | 3.8-4.2 | < 0.2 | The rest | Orange |