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Contact SupplierRapid hardening sulphoaluminate cement 42.5 is obtained by mixing csa(calcium sulphoaluminate) cement clinker with suitable gypsum and mixture materials. Its main characteristic is that compressive strength is determined by 3 days strength. with excellent properties of fast set, rapid hardening, high earlth strength,sulphate resistant. It is widely used in winter, urgent repair, anti-corrosion ,marine project, grc compouds, wall borad, spraying anchor and supporting engineering.bridge and road construction,cement products and prefabricated components,ect.