. 2020 May 25;13(10):2414. doi: 10.3390/ma13102414

Table 2.

Chemical composition of cement CEM I 42.5R (%).

Ingredient	CaO	SiO₂	Al₂O₃	Fe₂O₃	MgO	Na₂O	K₂O	Na₂O_eq
Content	65.61	20.73	4.41	3.34	2.40	0.33	0.51	0.51