Chromite Sand -----------------Foundry Grade

The chromite sand is a product of south africa natural chromite ore after crushing and sieving, and its main chemical composition is Cr2O3. Chromite sand specification is as follows: Origin:south africa Item Index Cr2O3 ≥46.0% SiO2 ≤1.0% FeO ≤26.5% CaO ≤0.30% MgO ≤10.0% Al2O3 ≤15.5% P ≤0.003% S ≤0.003% Cr/Fe 1.55:1 Bulk Density 2.5-3 Color Black PH 7-9 The amount of the acid ≤ 2 ML Percent soil ≤0.1% Percent Moisture ≤0.1% The sintered 1600℃ Percentage of free acid present in