Magnesium Carbon Brick
Category:
Heavy refractory brick
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Details Introduction
Magnesia-carbon bricks are made from high melting point basic oxide magnesium oxide and high melting point carbon materials that are difficult to be infiltrated by slag, with various non-oxide additives added. They are non-fired carbon composite refractory materials formed with carbonaceous binders.
As a composite refractory material, magnesia-carbon bricks effectively utilize the strong slag erosion resistance of magnesia sand and the high thermal conductivity and low expansion of carbon, compensating for the poor spalling resistance of magnesia sand.
Its main characteristics include: good high-temperature performance, strong slag resistance, good thermal shock resistance, and low high-temperature creep.
| Project |
Magnesia-carbon brick |
||||||
| MgO% |
≥85 |
≥80 |
≥78 |
≥76 |
≥74 |
≥74 |
≥72 |
| C% |
≥5 |
≥10 |
≥10 |
≥14 |
≥14 |
≥14 |
≥18 |
| Apparent porosity rate% |
≤6 |
≤5 |
≤4.5 |
≤4 |
≤4 |
≤4.5 |
≤5 |
| Room temperature compressive strength/MPa |
≥45 |
≥40 |
≥40 |
≥40 |
≥35 |
≥35 |
≥35 |
| Bulk density g/cm3 |
≥3.1 |
≥3.0 |
≥3.0 |
≥2.95 |
≥2.9 |
≥2.85 |
≥2.9 |
Key words:
Magnesium Carbon Brick
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