Fused Magnesium Aluminum Spinel

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Fused Magnesium Aluminum Spinel is manufactured from high purity raw materials in large electric arc furnace. It is a good kind of refractory materials, which has excellent refractory properties and superior refractory aggregate. fused magnesium alumium spinel blockPhysical and chemical component (%):
Items¡¡ AM-60 AM-70 AM-80 AM-90
Al2O3 58-62 71-77 81-86 88-92
MgO 30-32 22-27 13-17 7-11
SiO2 3.5Max 0.30Max 0.30Max 0.25Max
CaO ¡¡ 0.6Max 0.5Max 0.4Max
Na2O ¡¡ 0.3Max 0.4Max 0.4Max
Fe2O3 ¡¡ 0.3Max 0.3Max 0.3Max
¡¡Bulk density ¡�3.15g/cm3 ¡�3.35g/cm3 ¡�3.40g/cm3 ¡�3.45g/cm3
¡¡Real density ¡¡¡¡ ¡�3.50g/cm3 ¡�3.53g/cm3 ¡�3.56g/cm3
¡¡Explicit porosity ¡¡ 3.5Max 4.0Max 5.0Max
¡¡Coarseness 8-5MM/ 5-3MM/3-1MM/1-0MM
¡¡Powder 180mesh/ 200mesh/240mesh/325mesh

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