Trade mark |
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 |
Type | Trade Mark | Added Impurity | Impurity Quantity% | Other Impurity% | Tungsten% | Electric Discharged | Color Sign |
Ceriated Tungsten | WC 20 | CeO2 | 1.80-2.20 | <0.20 | The Rest | 2.7-2.8 | Grey |
Type | Trade Mark | Added impurity |
Impurity quantity % |
Other impurities% |
Tungsten% |
Electric discharged | Color sign |
Lanthanated Tungsten Electrode | WL10 | La203 | 0.8-1.2 | < 0.20 | The rest | 2.6-2.7 | Black |
WL15 | 1.3-1.7 | 2.8-3.0 | Gold | ||||
WL20 | 1.8-2.2 | 2.8-3.2 | Sky Blue |
Type | Trade Mark | Added Impurity | Impurity Quantity% | Other Impurity% | Tungsten% | Electric Discharged | Color Sign |
Pure Tungsten electrode | WP | -- | -- | <0.20 | The Rest | 4.5 | Green |