... ,high quality,best services Calcium aluminate1. Descriptionamorphous calcium aluminate, non crystalline calcium aluminate, non crystallized calcium aluminate, amorphous C12A7, ACA, concrete ... dry shrinkage.It is a special raw material for concrete and cement.It can make the rapid setting time, ... oxide (Fe 2 O 3 ) % ≤0.51.5 High quality and good features of Calcium aluminate for water treatment