... and exporter 2, CaO:50%min 3, Competitive price ,high quality,best services Calcium aluminate1. Descriptionamorphous calcium aluminate, non crystalline calcium ... the rapid setting time, good strength in concrete and cement. It is mainly used in shotcrete, concrete ground hardening and rapid ... -15Ferric oxide (Fe 2 O 3 ) % ≤0.51.5 High quality and good features of Calcium aluminate for water treatment