Tantalum pentoxide is primary utilized in the production of optical glass and lithium niobate. Another application is the production of capacitors for such products as cell phones, computers, game systems, and automotive electronics. Admat has multiple grades available to fit your specific requirements. Please contact us for current pricing and deliveries.
| Typical Tantalum Pentoxide Chemical Specificiation (ppm max unless noted) | ||||
| Element | 2N8 | 3N | 4N | 4N5 |
| Ta2O5 | 99.8% min | 99.9% min | 99.99% min | 99.995% min |
| Al | 40 | 10 | 5 | 1 |
| Ca | 20 | 10 | 3 | |
| Co | 10 | 5 | 3 | 1 |
| Cr | 30 | 10 | 2 | 1 |
| Cu | 3 | 1 | ||
| F | 800 | 500 | 30 | 10 |
| Fe | 100 | 20 | 5 | 1 |
| K | 10 | 5 | 3 | 1 |
| Mn | 10 | 5 | 3 | 1 |
| Mo | 10 | 5 | 3 | 1 |
| Na | 10 | 5 | 3 | 1 |
| Nb | 50 | 10 | 3 | 1 |
| Ni | 20 | 5 | 3 | 1 |
| P | 20 | 10 | 3 | 1 |
| Pb | 20 | 10 | 3 | 1 |
| Sb | 20 | 20 | 3 | 1 |
| Si | 100 | 30 | 15 | 10 |
| Sn | 10 | 5 | 3 | 1 |
| Ti | 20 | 5 | 3 | 1 |
| W | 20 | 10 | 3 | 1 |
| LOI | 0.20% | 0.20% | 0.10% | 0.10% |
| Bulk Density | 0.5 g/cc min | 0.5 g/cc min | ||
| FSSS | 0.5 – 1.0 μm | 0.5 – 1.0 μm | ||
| Note: purity level excludes LOI | ||||
