| Alumina(industry grade) made by slkali-lime sintered,It is white powdered crystal with low assay of Ti, Mn, Zn, Cu, V, Zr, Cr, Li, Pb, B, P, etc.It is used in the production of fused salt eletrorefining aluminium, corundum eramics, refractories and other alumina chemical products 1. Main standard | Chemical composition | Alumina (AL2O3)/Industry grade | | Appearance | White powder | | Package | 25kg woven bag | | Characteristics | It is white powdered crystal with low assay of Ti, Mn, Zn, Cu, V, Zr, Cr, Li, Pb, B, P, etc. | | Application | Eletrorefining aluminium, corundum eramics, refractories and other alumina chemical products. |
2. Specification| No | Item | Unit | Index | | One grade | Two grade | | 1 | AL2O3)/ | %≥ | 98.6 | 98.4 | | 2 | SiO2)/ | %≤ | 0.02 | 0.04 | | 3 | Fe2O3)/ | %≤ | 0.02 | 0.03 | | 4 | Na2)/ | %≤ | 0.50 | 0.60 | | 5 | Loss in burning | % | 1.0 | 1.0 |
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