Products Description
Refractory magnesium bricks is a high-temperature refractory material that is widely used in various high-temperature industrial equipment. Some issues need to be paid attention to during use to ensure its effective use and extend its service life.
First of all, you need to pay attention to the maintenance of magnesia bricks. During the use of magnesia bricks, if they encounter excessive soaking or excessive drying, the magnesia bricks will be prone to cracking and damage in high temperature environments. Therefore, during use, the bricks need to be kept moist to prevent drying and cracking.
Secondly, pay attention to prevent magnesia bricks from being affected by sudden temperature changes. When preparing heating and cooling equipment, attention needs to be paid to slow changes in temperature to avoid cracking and damage to magnesia bricks due to sudden temperature changes. At the same time, it is also necessary to pay attention to the balance of temperature to avoid the occurrence of local high-temperature areas, which may cause the bricks to be easily damaged.
In addition, pay attention to the use environment of magnesium bricks. When using high-temperature equipment such as blast furnaces, heating furnaces, glass kilns, etc., you also need to pay attention to whether there are acidic gases and alkaline gases. If there are, corresponding measures need to be taken to isolate the impact of acidic and alkaline gases on magnesia bricks. Other risk factors such as vibration, oscillation and impact must also be eliminated, so as to fully ensure the shock resistance and integrity of magnesium bricks.
Finally, pay attention to the maintenance and upkeep of magnesium bricks. During use, magnesia bricks need to be checked regularly for damage. If damaged, they need to be replaced in time. At the same time, attention should also be paid to the full surface area flushing to remove surface sediments and chars to help extend the service life of magnesium bricks.
In short, when using refractory magnesium bricks, you need to pay attention to details, pay attention to care and maintenance, observe precautions and respond to problems in a timely manner. Only in this way can you ensure the effective use of magnesia bricks and extend their service life, and benefit all parties.
Product Parameters
| Type | MZ-97A | MZ-97B | MZ-95A | MZ-95B | MZ-93 | MZ-91 |
| MgO (%)≥ | 97 | 96.5 | 95 | 94.5 | 93 | 91 |
| SiO2 (%)≤ | 1.0 | 2.0 | 2.0 | 2.0 | 3.5 | – |
| CaO (%)≤ | – | – | 2.0 | 2.0 | 2.0 | 3.0 |
| Apparent porosity (%)≤ | 16 | 18 | 16 | 18 | 18 | 18 |
| Cold Crushing Strength (MPa)≥ | 60 | 60 | 60 | 60 | ||
| Refractoriness Under Load 0.2MPa℃≥ | 1700 | 1650 | 1620 | 1560 | ||
| Reheat test,permanent linear change after heating at (1650℃,2h)% | 0~ – 0.2 | 0~ – 0.3 | 0~ – 0.4 | 0~ – 0.4 | ||
Product standard size (size can be customized)

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