| Element(ppm max) | Grade FTO-1 | Grade FTO-2 |
| Ta2O5 | 99.9%min(not in cluding f&LOI) | 99.8%min(not in cluding f&LOI) |
| Al | 10 | 40 |
| Ca | 10 | 20 |
| Co | 5 | 10 |
| Cr | 10 | 30 |
| F | 500 | 800 |
| Fe | 20 | 100 |
| K | 5 | 10 |
| Mn | 5 | 10 |
| Mo | 5 | 10 |
| Na | 5 | 10 |
| Nb | 10 | 50 |
| Ni | 5 | 20 |
| P | 10 | 20 |
| Pb | 10 | 20 |
| Sb | 20 | 20 |
| Si | 30 | 100 |
| Sn | 5 | 10 |
| Ti | 5 | 20 |
| W | 10 | 20 |
| LOI BULK DENSITY | 0.2%max 0.5g/cc min | 0.2%max 0.5g/cc min |
| Size FSSS(TYP) | -60mesh 0.5 to 1.0 μm | -60mesh 0.5 to 1.0 μm |
PACKING:Plastic bags in drums per customer requirements. SPECIAL:Other grades available per customer request. | ||
