High-Purity Sintered Magnesium‑Aluminate Spinel SP78 – Superior Thermal Shock & Corrosion Resistance
GNPGraystar’s Fused MagnesiumAluminate Spinel is made of high purity raw materials in electric arc furnaces. The maximum amount of spinel crystals is achieved by using pure raw materials and electric arc furnaces. The product has a high thermal shock resistance and slag corrosion resistance, and good refractoriness.
Properties
General
| Property | Value | Comment |
|---|---|---|
Density | 3.2 g/cm³ | |
Porosity | 1.2 - 2.6 % | |
Water absorption | 1 % | max. |
Chemical properties
| Property | Value | Comment |
|---|---|---|
Aluminium | 78 % | Al₂O₃ |
Calcium | 0.2 % | CaO |
Iron | 0.15 % | Fe₂O₃ |
Magnesium | 21.4 % | MgO |
Silicon | 0.13 % | SiO₂ |
Sodium | 0.12 % | Na₂O |
Technological properties
| Property | ||
|---|---|---|
| Application areas | GNPGraystar’s Sintered MAS is used in the production of refractory materials used for the sinter and transit zones of rotary furnaces in the cement industry, for the arches of electric arc furnaces, for the refractory lining of highfrequency furnaces, and various kinds of torpedo ladles and other ladles used in the steel industry. | |
| Other | Available sizing: | |
Composite material
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