Items | MT-12A | MT-12B | MT-12C | MT-14A | MT-14B | MT-14C |
MgO | 78 | 76 | 74 | 76 | 74 | 72 |
C | 12 | 12 | 12 | 14 | 14 | 14 |
Apparent porosity % ≤ | 4 | 5 | 6 | 4 | 5 | 6 |
Bulk Density g/cm3 | 2.98 | 2.96 | 2.95 | 3 | 2.96 | 2.95 |
Crushing Strength/Mpa ≥ | 40 | 40 | 35 | 40 | 40 | 35 |
Hot modulus of rupture(1450 C)/Mpa | 8 | 7 | 6 | 12 | 10 | 8 |