- Magnesium oxide:
Origin: China
References: U-02, T-00
Composition:
| U-02 | T-00 | |
| MgO (%) | 97.5 | 96 |
| CaO (%) | 0.74 | 1.34 |
| SiO2 (%) | 0.97 | 1.78 |
| Al2O3 (%) | 0.31 | 0.32 |
| Fe2O3 (%) | 0.35 | 0.51 |
Leakage currents:
| Leakage Current [mA]* | Surface Load | U-02 | T-00 |
| 10 W/cm2 | 0.69 | 1.32 | |
| 8 W/cm2 | 0.17 | 0.31 | |
| 6 W/cm2 | 0.07 | 0.1 | |
| 4 W/cm2 | ー | 0.06 | |
| 2 W/cm2 | ー | 0.05 |
*ASTM D-2900