| Element(ppm max) | Grade FNb-1 | Grade FNb-2 |
| Ta |
30 |
50 |
| O | 500 | 1500 |
| N | 300 | 500 |
| C | 200 | 300 |
| Si | 30 | 50 |
| Fe | 50 | 100 |
| W | 20 | 30 |
| Mo | 20 | 30 |
| Ti | 20 | 30 |
| Cu | 20 | 30 |
| Cr | 20 | 30 |
| Ni | 20 | 30 |
| Al | 20 | 30 |
| Mg | 20 | 30 |
| Zr | 20 | 30 |
- Tantalum wire
- Niobium bars
- Niobium ingot
- Niobium powders for metallurgy
- Potassium tantalum fluoride
- Niobium pentoxide
- Tantalum pentoxide
- Niobium pentoxide(for ceramic)
- High-purity niobium oxide
- High-purity tantalum oxide
- Tantalum sinter bar
- Metallurgical grade tantalum powder
- Capacitor grade tantalum powder
