Long-Term Properties of Cement-Based Composites Incorporating Natural Zeolite as a Feature of Progressive Building Material

Table 1

Chemical composition and particle size characteristics of binders.

Binder	SiO2	CaO	Fe2O3	Al2O3	MgO	CaO/SiO2	(0.5)	(0.9)
	[% wt.]					[—]	[μm]	[μm]
OPC (CEM I 42.5 N)	20.34	64.1	2.99	2.97	9.03	3.150	26.68	67.87
Natural zeolite	78.75	3.50	1.73	11.6	1.16	0.040	20.68	91.97
Silica fume	97.00	0.70	1.50	1.10	—	0.007	0.226	8.647