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SANDY ALUMINA (SMELTER GRADE) Industrial grade alumina with little dust floated, good solubility, strong absorptivity. Physical Property: white powder, no block. Usage: Industrial grade alumina with little dust floated, good solubility, strong absorptivity. Mainly used in the production of fused salt electro refining aluminum, corundum, enamel, refractories and other alumina chemical products. SANDY ALUMINA (SMELTER GRADE) Al2O3 Min 98,7Fe2O3 Max 0,01SiO2 Max 0,01Na2O Max 0,4CaO Max 0,035TiO2Max 0,001V2O5 Max 0,001ZnO Max 0,001Ga3O2 Max 0,01(moisture),300 0C % max .0,5(LOI) 300-1000 0C % Max .0,9Alfa-Alümina % Max 5but they check if have better pricequantity 15.000 mt CIF Turkey sandy alumina Zinc concentrate 6-70%