... .5/52.5rStandard:Chinese GB175-2007/SGSClinker for cement Portland cement 42.5/42.5r/52.5/52.5r ... , such as precast concrete, terrazzo, tile grout,portland cement paint, masonry units,swimming pools, glass fiber reinforced concrete ... Radiation-ResistantMain Raw Material:SilicateType:Silicate Cement / Portland CementHardening Feature:Rapid HardeningHeat of Hydration:Low-HeatStrength Grade(Mpa):42. ...