Rheological Characterization of Warm-Modified Asphalt Mastics Containing Electric Arc Furnace Steel Slags

Table 3

Chemical composition of the studied fillers.

Oxide content	Filler type
%	Limestone	Steel slag
MgO	2.50	3.65
Al2O3	1.00	9.30
SiO2	3.34	13.02
CaO	52.71	29.60
TiO2	—	0.35
Cr2O3	—	4.03
MnO	—	5.09
FeO	0.39	32.84