Magnesia Brick
As a well recognized Chinese refractores supplier with more than 10 years of professional experience, SHUO CHENG is confident to provide you with second-to-none magnesia brick. The magnesia brick features relatively high refractoriness, satisfactory alkali resistance, great slag resistance, high refractoriness under load, etc.
The magnesia brick is extensively applied for basic open hearth furnace, electric furnace bottom and wall, permanent lining of oxygen converter, non-ferrous metal smelting furnace, hyperthermia tunnel kiln, lining of rotary kiln for calcining magnesia brick and cement, heating furnace bottom and wall, checker brick for checker chamber of glass kiln and so on in the metallurgical industry, non-ferrous metal industry, glass industry, etc.
Technical Indicators of Magnesia Brick
| Indicators | MgO (%)≥ | CaO(%)≤ | SiO2 (%)≤ | Apparent porosity (%) ≤ | Cold crushing strength (Mpa) | Refractoriness under load 0.2Mpa (℃) ≥ | Reheating linear change at 1650℃*2h (%) | Thermal expansion at 1400℃(%) ≤ | Thermal conductivity at 1000℃ (w/mk)≤ |
| Common sintered magnesia brick | |||||||||
| 87 | 3 | 20 | 39.2 | 1520 | 1.7 | 4.5 | |||
| 89 | 3 | 20 | 49 | 1540 | 0-0.6 | 1.8 | 4.5 | ||
| 91 | 3 | 18 | 58.8 | 1550 | 0-0.5 | 1.8 | 4.5 | ||
| Middle grade magnesia brick | |||||||||
| 93 | 2 | 3 | 17 | 65 | 1620 | 0 -0.5 | 1.8 | 4.5 | |
| 95 | 2 | 2 | 18 | 55 | 1650 | 0-0.4 | 1.9 | 4.5 | |
| High purity magnesia brick | |||||||||
| 96.5 | 1.5 | 18 | 1700 | 0-0.3 | 1.9 | 4.5 | |||
| 97.5 | 1 | 18 | 1700 | 0-0.3 | 1.9 | 4.5 | |||
| Electric fused magnesia brick | |||||||||
| 95 | 2 | 18 | 50 | 1700 | 5 | ||||
| 96 | 1.5 | 17 | 55 | 1700 | 5 | ||||
| 97 | 1.2 | 16 | 60 | 1700 | 5 | ||||
| 97.5 | 1 | 16 | 65 | 1700 | 5 | ||||
Related Names
Basic Refractory Materials| Sintered Brick
