Influence of Hydrophobic Coating on Freeze-Thaw Cycle Resistance of Cement Mortar

Table 1

Chemical composition of ordinary Portland cement (P. O42.5R).

	Chemical composition (%)
	SiO2	Al2O3	CaO	Fe2O3	MgO	K2O	TiO2	Na2O	SO3	Others
Cement	19.26	4.33	65.46	3.06	1.60	0.77	—	0.13	4.45	0.94