A&R Merchants Inc. supplies Tantalum VAR (Vacuum Arc Melted) Ingot for grain size stabilization is necessary. Our products are utilized in the Capacitor Electronics, Semiconductor & Superalloy Industries.
Minimum Quality for TANTALUM VAR INGOT – 99.99%.
| Impurities, ppm, max. | |||||||||
| Ag | 1 | Cr | 0.8 | Mo | 10 | Sn | 1 | Li | 0.05 |
| Al | 1 | Cu | 1 | Nb | 30 | Ti | 1 | Na | 0.5 |
| As | 10 | Fe | 5 | Ni | 1 | V | 1 | C | 30 |
| B | 1 | Ga | 3 | P | 10 | W | 25 | H | 5 |
| Bi | 1 | In | 1 | Pb | 2 | Zn | 1 | N | 30 |
| Ca | 3 | Mg | 1 | Sb | 10 | Zr | 5 | O | 80 |
| Cd | 1 | Mn | 0.5 | Si | 5 | K | 0.8 | S | 20 |
| Co | 0.5 | ||||||||
