white fused alundum for refractory media
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white fused alundum
white fused alundum 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 | ||||||
| 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 | ||||||
| Al2O3 | Fe2O3 | Na2O | SiO2 | |||
| 99.5min | 0.04max | 0.30max | 0.02max | |||
| fine powder/macropowder | ||||||
| 60mesh-0 80mesh-0 100mesh-0 120mesh-0 150mesh-0 200mesh-0 325mesh-0 | ||||||
| Al2O3 | Fe2O3 | Na2O | SiO2 | |||
| 99.0%min | 0.20max | 0.40max | 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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