#calcium_aluminoferrite

Calcium aluminoferrite

One of the four main mineral phases of the Portland cement clinker

Calcium aluminoferrite is a dark brown crystalline phase commonly found in cements. In the cement industry it is termed tetra-calcium aluminoferrite or ferrite. In cement chemist notation (CCN), it is abbreviated as C4AF meaning 4CaO·Al2O3·Fe2O3 in the oxide notation. It also exists in nature as the rare mineral brownmillerite.

Sun 16th

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