https://www.csacement.com/products/special-cements/ 1.Definition of cement CSA CSA cement is anhydrous calcium sulfoaluminate (C4A3S) and dicalcium silicate (C2S) mainly composed of limestone, bauxite and gypsum with appropriate composition as raw materials and calcined at low temperature (1300~1350℃). Clinker composed of minerals is a hydraulic cementitious material with a series of excellent properties such as early strength, fast hardening, low alkalinity, etc.All Rights Reserved