... payment term ColorGrey/white Main Raw MaterialSilicateTypeSilicate Cement / Portland CementStrength Grade(Mpa)42.5RSGSInspection at loading port on Seller`s ... oxide, alkali content low. The grinding clinker of cement with a early high strength, mild increase quickly, rich ... C3S content of clinker high, and the production of cement hydration, hardening speed, frost resistance is strong, short ...