white corundum
White corundum 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 |
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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 |
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Al2O3 |
Fe2O3 |
Na2O |
SiO2 |
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99.5min |
0.04max |
0.30max |
0.02max |
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fine powder/macropowder |
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60mesh-0 80mesh-0 100mesh-0 120mesh-0 150mesh-0 200mesh-0 325mesh-0 |
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Al2O3 |
Fe2O3 |
Na2O |
SiO2 |
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99.0%min |
0.20max |
0.40max |
0.05max |