Iron Aluminum Spinel Magnesia Refractory Bricks Ued In ...
Magnesium iron aluminum spinel bricks kiln refractory bricks /used in cement rotary kiln firing zone/resistance erosion . Product description: It is a refractory made of iron - aluminum spinel instead of magnesia - chrome brick.The chemical formula of fe-al spinel (FA) is Fe2O3·AL2O3, in which FeO accounts for 41.34% and AL2O3 accounts for 58.66%.
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