Magnesia alumina spinel
- Commodity name: Magnesia alumina spinel
- Commodity ID: 1070628742645829632
- 产品描述
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Electric fused magnesia alumina spinel is a new type of high-purity synthetic refractory raw material, which is mainly composed of alumina and high-purity lightly burned magnesium oxide as the main raw materials. It is melted at high temperatures above 2000 ℃ in an electric arc furnace and then cooled. There are mainly models such as MA-65 and MA-70, and various models of fused magnesium aluminum spinel can also be produced according to customer requirements.
Electromelted magnesia alumina spinel has the characteristics of high volume density, good thermal shock stability, and strong corrosion resistance. It can effectively improve the slag resistance, thermal shock resistance, thermal shock stability, and high-temperature mechanical properties of refractory products, prefabricated parts, and amorphous refractory materials. It is an ideal raw material for producing high-grade magnesia alumina bricks, high-performance magnesia alumina castables, large cement kilns, magnesia alumina ladle castables, blast furnace runner castables, sliding nozzles, ladle lining bricks, continuous casting skateboards, nozzle bricks, and flat furnace top bricks.
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Project
MA-70
MA-65
GR1T>0.1mm
FINE≤0.1mm
GR1T>0.1mm
FINE≤0.1mm
Al2O3≥
70-77
70-77
63-68
63-68
MgO%
21-28
21-28
30-35
30-35
SiO2%≤
0.40
0.40
0.60
0.60
Fe2O3%≤
0.30
0.5
0.5
0.5
Apparent porosity%
5.0
4.0
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