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Magnesia Brick
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- Magnesia Brick
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Apparent Porosity: ≤ 18%
Bulk Density: ≥2.86 g/cm3
Cold Crushing Strength: ≥ 60 Mpa
0.2Mpa Refractoriness Under Load T0.6: ≥1570℃
Permanent Linear Change On Reheating: 1500℃X2h,0～+0.4 %
Thermal Shock Resistances 100℃ water cycles: ≥18
▶ Specifications:
◆ Magnesia Brick Refractory;
◆ CCS:60mpa,RUL:1700;
◆ Good erosion resistance;
◆ High quality;
◆ Reasonable price.
▶ Magnesia Brick Features:
◆ Excellent performance of basic slag resistance, high refractoriness, thermal stability, anti-erosion and anti-peeling;
◆ Excellent strength of pressure bending, abrasion proof;
◆ Excellent performance of high-temperature firing, high rates of associative property, anti-erosion ability;
◆ Excellent thermal shock resistance and spalling resistance;
◆ Excellent ability of high refractoriness, anti-erosion of alkaline residue;
◆ High temperature load of refractoriness under load. High mechanical strength;
◆ High temperature resistance excellent corrosion resistance;
◆ Resistance to spalling.
It is basic refractory which the main phase is periclase. The product has such characteristics as high temperature resistance. Good slag resistance. strong corrosion resistance and steady volume in high temperature.
▶ Application:
Magnesia brick is characterized by high refractoriness, good alkali resistance and superior refractoriness under load, and it is mainly applied to the regenerators of glass kilns and other high temperature furnaces.
| Item | MZ-91 | MZ-92 | MZ-93 | MZ-94 | |
| Chemical composition (%) | MgO ≥ | 91 | 92 | 93 | 94.5 |
| SiO2 ≤ | 4.0 | 3.5 | 2.5 | 2.0 | |
| Fe2O3 ≤ | 1.3 | - | - | 1.2 | |
| CaO ≤ | 2.5 | 2.5 | 2.0 | 1.8 | |
| Apparent Porosity (%) ≤ | 18 | 18 | 18 | 18 | |
| Bulk Density (g/cm3) ≥ | 2.86 | 2.90 | 2.95 | 2.92 | |
| Cold Crushing Strength (Mpa) ≥ | 60 | 60 | 50 | 60 | |
| 0.2Mpa Refractoriness Under Load T0.6 (℃) | ≥1570 | ≥1560 | ≥1620 | ≥1650 | |
| Permanent Linear Change On Reheating (%) 1500℃X2h | 0～+0.4 | 0～+0.4 | 0～+0.4 | 0～+0.4 | |
| Thermal Shock Resistances 100℃ water cycles | ≥18 | ≥18 | ≥18 | ≥18 | |
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