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Aluminium oxide - is significant in its use to produce aluminium metal, as an abrasive owing to its hardness, and as a refractory material owing to its high melting point.
A 1744 (OTTO) Aluminium oxide Cas 1344-28-1 - used as a grinding or blending agent. A 1744 (OTTO) Aluminium oxide Cas 1344-28-1 - used in the manufacture of grinding wheels and other abrasive.