Calcium aluminate 1, Direct manufacturer and exporter 2, CaO:50%min 3, Competitive price ,high quality,best services Calcium aluminate1. Descriptionamorphous calcium aluminate, non crystalline calcium aluminate, non crystallized calcium aluminate, amorphous C12A7, ACA, concrete accelerator, CAS No. 12042-68-1, cement addititve, shotcrete additive, concrete additivesACA are the white-green grains ...