. 2021 Jan 30;14(3):637. doi: 10.3390/ma14030637

Table 1.

Chemical composition of cement and glass cullet [78,79].

Compositions		SiO₂	Al₂O₃	Fe₂O₃	CaO	MgO	SO₃	Na₂O	K₂O	TiO₂	Cl
Unit (vol.%)	Cement	19.5	4.9	2.9	63.3	1.3	2.8	0.1	0.9	-	0.05
Unit (vol.%)	Glass	70.0–74.0	0.5–2.0	0.0–0.1	7.0–11.0	3.0–5.0	-	13.0–15.0		0.0–0.1	-