Color:Black Feature:Decorative,Expansive Main Raw Material:Silicate Type:Composite Portland Cement Hardening Feature:Rapid Hardening Heat of Hydration:Low-Heat Strength Grade(Mpa):42.5 Standards:GB T 19001-2000 Setting Time:45min INITIAL SETTING TIME:45 Minutes Item name:White Portland Cement Clinker Application:Industry Construction MGO:3.87