Alumina Hydrate

Material Overview

Hydrated alumina is a fine granular white powder that is typically added to glazes as a source of alumina.

Melting point 3000°C

The hydrated version of alumina remains in suspension better in glaze slurries, and has better adhesive qualities than Calcined Alumina Oxide. Small additions of alumina hydrate to a glaze can also enhance the color of Cr-Al pinks. Larger additions can impart dullness in the glaze.

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