chromite sand used as the ladle filler material
Description: Item Unit Index Cr2O3 % 46.0min SiO2 % 1.0max FeO % 26.5max CaO % 0.30max MgO % 10.0max Al2O3 % 15.5max P % 0.003max S % 0.003max Cr/Fe / 1.55:1 Bulk Density g/cm3 2.5-3 Color / Black PH / 7-9 The amount of the acid / 2ML(MAX) Percent Soil % 0.1max Percent Moisture %