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Minerals

Feldspar (K,Na)AlSi₃O₈

An alkali aluminosilicate that acts as a flux, lowering the melting point in ceramic bodies and glass batches and forming the glassy phase that binds them. Soda and potash grades are chosen for the melt behaviour each process needs.

Application
Ceramic bodies and glazes, glass batch, flux, mild abrasive and filler.
Conditions
Soda and potash grades; ground to mesh.

This list is not exhaustive. Further materials on request.