| Customization: | Available |
|---|---|
| Characteristic: | Stable Electrical Behavior |
| Protection: | High Melting Point |
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| thorium doped tungsten electrode composition | |||||
| grade | dioxide | dioxide in % | impurities in % | tungsten | color code |
| WT10 | ThO2 | 0.8-1.20 | <=0.02 | balance | yellow |
| WT20 | ThO2 | 1.70-2.2 | red | ||
| WT30 | ThO2 | 2.80-3.2 | purple | ||
| WT40 | ThO2 | 3.8-4.2 | orange | ||
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