chromite sand specification is as follows:Originï¼south africa Item Index Cr2O3 â¥46.0% SiO2 â¤1.0% FeO â¤26.5% CaO â¤0.30% MgO â¤10.0% Al2O3 â¤15.5% P â¤0.003% S â¤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 â¤0.1% Percent Moisture â¤0.1% The sintered 1600â Percentage of free acid present in the sand 0 filling density   2.6g/cm³ sintering point      > 1800°C melting temperature   2180°C Regular size AFSâ40-45 AFS45-50 AFS 50-55 AFS55-60 AFS55-65 Packing:1MT big bag
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