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