Boron Metal is used to dope silicon and germanium semiconductors, modifying their electrical properties. It is also applied for reactivity control and in emergency shutdown systems in nuclear reactors.| Code | ME053 | ME052 | ME051 | ME050 |
| Grade | 99.999% | 99.99% | 99.9% | 99% |
| B (% min.) | 99.999 | 99.99 | 99.9 | 99 |
| Impurities (% max.) | ||||
| Fe | 0.00015 | 0.0005 | 0.005 | 0.01 |
| Ni | 0.00005 | 0.0001 | 0.001 | 0.01 |
| Zn | 0.00003 | 0.0001 | 0.005 | 0.05 |
| Al | 0.00002 | 0.0001 | 0.001 | 0.01 |
| Ca | 0.00002 | 0.0001 | 0.001 | 0.01 |
| Pb | 0.00003 | 0.0001 | 0.001 | 0.01 |
| Mg | 0.00002 | 0.0001 | 0.001 | 0.01 |
| Cu | 0.0001 | 0.0001 | 0.005 | 0.05 |
| Mn | 0.00003 | 0.0001 | 0.005 | 0.05 |
| Mo | 0.00001 | 0.0001 | 0.001 | 0.01 |
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