Bulletin of the National Research Centre

Table 2 Chemical composition of the design batch no. 1

From: Flux ceramic tiles based on Egyptian trachyte

Oxides %	10% trachyte	90% clay	Total
SiO₂	6.18	47.67	53.85
Al₂O₃	1.67	26.16	27.83
TiO₂	0.02	1.33	1.35
Fe₂O₃	0.50	3.53	4.03
CaO	0.11	0.45	0.56
MgO	0.03	0.18	0.21
Na₂O	0.80	0.05	0.85
K₂O	0.44	0.25	0.69
SO₃	0.01	0.68	0.69
ZrO2	0.03	–	0.03
LOI	0.16	9.56	9.72
Total	9.95	89.86	99.81

Back to article page