Chromite sand specification is as follows: Originsouth africa ItemIndex Cr2O3â?¥46.0% SiO21.0% FeO26.5% CaO0.30% MgO10.0% Al2O315.5% P0.003% S0.003% Cr/Fe1.55:1 Bulk Density2.5-3 ColorBlack PH7-9 The amount of the acid 2 ML Percent soil0.1% Percent Moisture0.1% The sintered1600â?? Percentage of free acid present in the sand0 filling density 2.6g/cm sintering point > 1800C melting temperature 2180C Regular size AFS25-35 AFS30-35 AFS35-40 AFS40-45 AFS45-55 AFS50-55 AFS55-60 AFS60-65 AFS60-70 Packing:1MT big bag