cemenowdtmcsa cement (calcium sulfoaluminate cement ) grade 925# is super high strength cement. its main chemical components are anhydrous c4a3s, c2s, the advantages and merits of csa have been well proven in some big projects. its main features are early strength, high strength, concentrative hydrating heat release, adjustable setting time, good fluidity, anti-freezing, excellent impermeability, excellent corrosion resistance. performance: csa cement is used in making concrete with performances of early strength, high strength (above c60), impermeability, sulphate corrosion resistance. it is also used in construction at negative temperatures, segmental contactor, block, making cement products, large building engineering, and rushing project such as road interruption, bridge damage, runway repairing, and emergency construction such as leakage prevention, permeability project under ground, etc... if you are interested in purchasing this kind of cement from china, we are sure can give you competitive price and satisfactory service. ore world trade co.,ltd.in tangshan.