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Brief introduction of Magnesia carbon bricks
Magnesia carbon brick is composed of magnesium oxide and carbon, both of which have high melting point, and the two components do not solid melt, so Magnesia carbon brick has high melting resistance. Magnesia carbon brick is a kind of composite structure, the main part of which is made of magnesia clinker which has strong slag corrosion resistance to alkaline slag and carbon which has poor wettability with molten slag, so it has excellent slag corrosion resistance.
Features of Magnesia carbon bricks
Magnesia carbon bricks have good high temperature resistance, strong slag resistance, good thermal shock resistance, and good thermal creep resistance. Compared with other ceramic bonded bricks, magnesium-carbon bricks show particularly good variable resistance.
Details of Magnesia carbon bricks
Application of magnesia carbon brick to ladle:
Magnesia carbon brick is mainly used in clearance and slag line when it is used in ladle furnace and ladle refining. According to the operating conditions, these parts require the use of refractory materials must have high temperature resistance, heat shock resistance, resistance to slag erosion caused by mechanical erosion. So in the past, these parts used to choose magnesium-chromium refractory materials, but considering the pollution of chromium to the environment, its dosage has been reduced, and now the use of magnesium-carbon bricks.
More relevant refractory products: Ceramic fiber board
Parameters of Magnesia carbon bricks
| Type | Apparent Porosity % ≤ | Bulk Density g/cm³ | Cold Crushing Strength MPa ≥ | MgO % ≥ | C ≥ |
| MT-5A | 5 | 3.15±0.08 | 50 | 85 | 5 |
| MT-5B | 6 | 3.10±0.08 | 50 | 84 | 5 |
| MT-5C | 7 | 3.00±0.08 | 45 | 82 | 5 |
| MT-8A | 4.5 | 3.12±0.08 | 45 | 82 | 8 |
| MT-8B | 5 | 3.08±0.08 | 45 | 81 | 8 |
| MT-8C | 6 | 2.98±0.08 | 40 | 79 | 8 |
| MT-10A | 4 | 3.10±0.08 | 40 | 80 | 10 |
| MT-10B | 4.5 | 3.05±0.08 | 40 | 79 | 10 |
| MT-10C | 5 | 3.00±0.08 | 35 | 77 | 10 |
| MT-12A | 4 | 3.05±0.08 | 40 | 78 | 12 |
| MT-12B | 4 | 3.02±0.08 | 35 | 77 | 12 |
| MT-12C | 4.5 | 3.00±0.08 | 35 | 75 | 12 |
| MT-14A | 3.5 | 3.03±0.08 | 40 | 76 | 14 |
| MT-14B | 3.5 | 2.98±0.08 | 35 | 74 | 14 |
| MT-14C | 4 | 2.95±0.08 | 35 | 75 | 14 |
| MT-16A | 3.5 | 3.00±0.08 | 35 | 74 | 16 |
| MT-16B | 3.5 | 2.95±0.08 | 35 | 72 | 16 |
| MT-16C | 4 | 2.90±0.08 | 30 | 70 | 16 |
| MT-18A | 3 | 2.97±0.08 | 35 | 72 | 18 |
| MT-18B | 3.5 | 2.92±0.08 | 30 | 70 | 18 |
| MT-18C | 4 | 2.87±0.08 | 30 | 69 | 18 |