white fused alumina for refractory media
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Mohs hardness：9.0
White fused alumina was made from the high quality alumina by melting above 2000 in the electric arc furnace and cooling. It is white with the main crystal phase alpha-Al2O3.
1.Used for refractory,furnace burden,castable,ramming compoynd, painting etc
| | Section sand | fine powder/macropowder | ||
| Size | 12-6mm 10-8mm 8-5mm 6-3mm 5-3mm 3-1mm 1-0mm 1-0.5mm 0.5-0.2mm 0.5-0mm 0.3-0mm | 60mesh-0 80mesh-0 100mesh-0 120mesh-0 150mesh-0 200mesh-0 325mesh-0 | ||
| Chemical compositions(%) | Al2O3 | 99.5min | Al2O3 | 99.0min |
| Fe2O3 | 0.04max | Fe2O3 | 0.20max | |
| | Na2O | 0.30max | Na2O | 0.40max |
| SiO2 | 0.02max | SiO2 | 0.05max | |
Main Physical Properties Mohs hardness 9.0 Bulk density 1.75-1.95g/cm3 Specific gravity 3.95g/cm3
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