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Brief introduction of magnesia carbon brick
Magnesium carbon bricks are made of high melting point alkaline oxide magnesium oxide (melting point 2800℃) and high melting point carbon material which is difficult to be infiltrated by slag as raw material, adding various non-oxide additives. Combined with carbon bonding agent to make a non-burning carbon composite refractory materials.
Advantages of magnesia carbon brick
As a kind of composite refractory material, magnesia carbon brick effectively utilizes the strong resistance to slag erosion of magnesia and the high thermal conductivity and low expansion of carbon, which compensates the biggest drawback of poor flaking resistance of magnesia.
Magnesia carbon brick has good high temperature resistance, strong slag resistance, good thermal shock resistance and low creep at high temperature.
Parameters of magnesia carbon brick
| 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 |