- Time:Jul 17, 2023
Magnesia alumina brick is a commonly used refractory material, and its chemical composition is mainly composed of magnesium oxide (MgO) and aluminum oxide (Al2O3). The following is a detailed introduction to the chemical composition of magnesia-alumina bricks:
1. Magnesium oxide (MgO): Magnesium oxide is one of the main components in magnesia-alumina bricks, usually occupying a relatively high proportion. It has the characteristics of high melting point, high hardness and alkali resistance. Magnesium oxide is stable at high temperatures and has excellent fire resistance, corrosion resistance and thermal conductivity.
2. Aluminum oxide (Al2O3): Aluminum oxide is also one of the important components of magnesia-alumina bricks. It has a high melting point, high hardness and good corrosion resistance. Aluminum oxides are stable at high temperatures and can provide additional strength and wear resistance, enhancing the overall performance of magnesia-alumina bricks.
Chemical composition of magnesia alumina bricks of Zhengzhou Zhenjin Refractory Materials Co.,Ltd.
In addition to these two main components, magnesia-alumina bricks may also contain other auxiliary materials, such as silicate, micropowder additives, etc., to improve their performance and processing technology. These auxiliary materials can provide better thermal conductivity, fire resistance, wear resistance and other properties.
It should be noted that the specific chemical composition of magnesia-alumina bricks may vary between different manufacturers and products. Manufacturers usually adjust the composition ratio of magnesia-alumina bricks according to different use needs and process requirements to obtain the best performance and application effect.
Magnesia-alumina bricks are widely used in high-temperature equipment and refractory linings in metallurgy, glass, cement and chemical industries due to their excellent properties such as high temperature stability, fire resistance, corrosion resistance and mechanical strength. When selecting and using magnesia-alumina bricks, it should be evaluated according to actual needs and relevant technical requirements, and refer to the manufacturer's guidance and suggestions.
