... and exporter 2, CaO:50%min 3, Competitive price ,high quality,best services Calcium aluminate1. Descriptionamorphous calcium aluminate, non crystalline calcium ... etc. With good performance of rapid strength and little dry shrinkage.It is a special raw material for concrete and cement.It ... 1410-15Ferric oxide (Fe 2 O 3 ) % ≤0.51.5 High quality and good features of Calcium aluminate for water treatment