Calcium aluminate 1, Direct manufacturer and exporter 2, CaO:50% ... C12A7, ACA, concrete accelerator, CAS No. 12042-68-1, cement addititve, shotcrete additive, concrete additivesACA are the white ... little dry shrinkage.It is a special raw material for concrete and cement.It can make the rapid ... 42 min)( SiO2 5 max)( TiO2 1.0 max)( Fe2O3 1.0 max) (MgO 1 max) %Size: 0-50mmOther chemical composition ...