Alumina, also known as aluminum oxide, is significant in its use to produce aluminium metal, as an abrasive material due its inherent hardness, and as a refractory material due to high melting point. In other applications, alumina is utilized as a porous filtration material. With heat-resistant characteristics, alumina is the base material in aluminum manufacturing, and other industrial ceramic processes. The versatility of alumina is exhibited in its inherent hardening consistency, abrasive strength, and insulation (electrical and thermal) uses.

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