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product name: | Brown Aluminium Oxide /Brown Fused Alumina Material |
| Place of Origin: | Peoples Republic of China | |
| Post Date: | September 28, 2020 | |
| Edit Date: | September 28, 2020 | |
Detailed Product Description:
Brown fused alumina is made of bauxite, anthracite coal, and smelted in electric-arc furnace of high temperature more than 2000 degrees. Suitable for product high consolidation abrasive, and suitable for grinding, polishing, blasting, precision casting etc. brown fused alumina is used for refractory material.
Physical properties
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Color |
BROWN,RED BROWN |
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Mohs Hardness |
9.0 |
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Bulk Density |
1.53-1.99g/cm3 |
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Specific Gravity |
3.95g/cm3 |
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Volume Density |
3.6g/cm3 |
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Melting Point |
2250°C |
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Maximum service temperature |
1900°C |
Chemical Composition
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Grade
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Chemical Composition
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Al2O3(%)
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Fe2O3(%)
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SiO2(%)
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TiO2(%)
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First Grade
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92.0-96.0
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0.2-1.0
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1.0-3.0
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1.5-3.8
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Second grade
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80.0-85.0
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6.0-10.0
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1.5-4.0
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2.0-4.0
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Third Grade
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50.0-65.0
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12.0-20.0
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15.0-25.0
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4.0-6.0
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*Usage:
1.suitable for grinding high-speed,high carbon steel
2.high-grade refractory materials
3.abrasives tool
4.grinding and polishing
5.ceramics
6.Glasswork
7.sandblasting
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