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Help Center200#-0 Brown Alumina Oxide Powder For Precision Casting
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200#-0 Brown Alumina Oxide Powder For Precision Casting
Brown Alumina Oxide Powder is made of high-quality bauxite, iron filings and anthracite as raw materials and is smelted in an electric arc furnace high temperature more than 2000 degrees. Brown Alumina Oxide Powderis obtained by crushing the original slab of Brown Alumina Oxide Powder and sieving after magnetic separation. Brown Alumina Oxide Powder is suitable for grinding, polishing,sand blast,precision casting etc and used for refractory material.Brown Alumina Oxide Powder with characteristics like:high purity,good crystalline liquidity,low coefficient of linear expansion,corrosion resistance,high temperature,high strength.
Product index
Physical index | |||||
Color |
Brown |
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Moh's hardness |
9 |
||||
Specific gravity |
3.6-3.9g/cm3 |
||||
Bulk density |
1.53-1.99g/cm3 |
||||
Melting point |
2250℃ |
||||
Maximum operation temperature |
1850℃ |
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Chemical index | |||||
Grade |
Al2O3 |
Fe2O3 |
SiO2 |
TiO2 |
|
A Grade |
94%min |
1%max |
2%max |
4%max
|
|
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