Tantalum
| Typical Uses | Electrolytic capacitors; Vacuum tubes; Chemical engineering, esp. valves for corrosive liquids; Spinnerets for textile production; Surgical implants; Internal coatings for pipes containing molten metal; Nuclear; Aerospace; |
| In the UE Critical list? | No |
| In the US Critical list? | Yes |
| Embodied Energy, Primary Production | 4150 – 4580 MJ/kg |
| Recycle? | Yes |