Recycling of Iron Slag Waste in the Production of Ceramic Roof Tiles

Table 3

Comparison between the properties of the suggested sample and standard values.

Property	20% BFGS fired at 1000°C	20% BFGS fired at 1100°C	Standard values
Cold water absorption %	12.40	11.62	13
Saturation coefficient	0.82	0.75	0.86
Breaking Strength, N	5040	6950	1330
50 thawing-freezing cycles	Passes	Na	Passes

Freeze-thawing tests were not carried out for samples fired at 1100°C, although they would have almost certainly passed the test because of their superior properties over those fired at 1000°C.