Relate products of 46%Cr2O3 South Africa Chromite Sand for Sand Casting 46% Cr2O3 Chromite foundry sand Chemical Composition of Chromite Sand is: Cr2O3≥% FeO≤% Al2O3≤% SiO≤% MgO≤% CaO≤% Cr/Fe::1 Physical composition: Appearance:Black Melting poin:2150°C pH:79 The amount of the acid≤ 2 ML Percent soil< Percent Moisture≤ The ...