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. 2021 Mar 27;14(7):1647. doi: 10.3390/ma14071647

Table 1.

Chemical composition of cementitious materials (%).

Raw Materials SiO2 Al2O3 Fe2O3 CaO MgO SO3 TiO2 Na2O K2O
Cement 19.95 4.83 2.93 65.71 2.95 2.28 0.34 0.21 0.8
Slag 30.15 15.53 0.43 41.94 7.89 2.22 0.82 0.56 0.46