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电炉预焙碳块Electric furnace prebake carbon block | ||||
Name | Standard Number | Ash（%）≤ | Compressive Strength（Mpa）≥ | porosity（%）《 |
General electric furnace carbon brick | YB/T2805-1997 | 8 | 30 | 25 |
High strength carbon brick electric furnace | Factory Standard | 8 | 35 | 18 |
电炉自焙碳块Electric furnace baking carbon block | |||||||
Item | Ash（%）≤ | Carbon（%）≥ | Residual contraction degrees 800℃（%）≤ | Compressive Strength（Mpa）≥ | Volume density（g/cm3)≥ | apparent porosity（%） | |
TKZ-1 | Before roasting | 5 | 85 | — | 30 | 1.6 | 10 |
After Roasting | 6 | 93 | 0.05 | 30 | 1.5 | 20 | |
TKZ-2 | Before roasting | 10 | 80 | — | 25 | 1.58 | 15 |
After Roasting | 13 | 86 | 0.1 | 25 | 1.45 | 25 | |
高炉碳块Blast furnace carbon block | |||||||
Item | Carbon（%） | Ash（%） ≤ | Compressive Strength（Mpa）≥ | porosity（%）≤ | Volume density（g/cm3)≥ | coefficient of heat conductivity 900℃ ≥ | alkali resistance（level） |
Index | 90 | 8 | 35 | 20 | 1.5 | 5 | LC |