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Corundum is aluminum oxide powder as raw material,In the electric arc furnace smelting at high temperature is made. Al2O3 as higher than 99%.As compared with Brown Alumina Oxide abrasive, the toughness of White Alumina Oxide abrasive is slightly lower, but it has a higher hardness and better cutting characteristics. It is made into the mold, apply to wear down quenching alloy steel, high speed steel. Can also be used for high-grade refractory
Items | Unit | Index | |
Chemical composition | Al2O3 | % | 99.00min |
SiO2 | % | 0.20max | |
Fe2O3 | % | 0.10max | |
Na2O+K2O | % | 0.40max | |
Refractoriness | °C | 1850min | |
Bulk density | g/cm3 | 3.50min | |
| Mohs hardness | --- | 9.00min | |
| Principal crystalline phase | --- | α-Al2O3 | |
| Grit(Abrasive grade) | # | F14, 24, 46, 100,180, 220 | |
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Fused alumina oxide
