Tantalum Oxide


Tantalum oxide, also known as tantalum pentoxide (Ta2O5), is a white solid material with properties suitable for a wide variety of applications. It’s used in optics to adjust the refractive index and color behavior of lenses and is integral to improving acoustic performance in mobile devices.


  • White, odorless powder, stable solid compound inert to all chemicals except for HCl acids
  • Density @ 8.2g/cm³
  • Melting point @ 1872 deg C
  • 99.8%-99.99% purity levels.

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