Chemical composition of cement CEM I 42.5N%

SiO₂

AlO₃

Fe₂O₃

CaO

MgO

SO₃

Na₂O

K₂O

19.64

4.62

3.27

63.59

1.91

3.03

0.38

0.62

Mineralogy composition of cement % (according Bogue equations)

C3S

C2S

C3A

C4AF

57.4

12.6

6.6

11.0