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95.5% Al2O3 brown alundum/brown fused alumina/brown aluminum oxide

95.5% Al2O3 brown alundum/brown fused alumina/brown aluminum oxide
Click to see the original picture 		Product Name:95.5% Al2O3 brown alundum/brown fused alumina/brown aluminum oxide
Place of Origin:Peoples Republic of China
Post Date:September 9, 2019
Edit Date:September 9, 2019 		Company Name :
Henan Sicheng Co., Ltd
Tel:+86-371-63211287
Fax:+86-371-60305637
Add:0801,8/F,No.1 Building,No.238,Tongbai South Road,Zhengzhou,Henan,China (Mainland)
E-mail:betty@hnsicheng.cn
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.

 

Color

BROWN,RED BROWN

Mohs Hardness

9.0

Bulk Density

1.53-1.99g/cm3

Specific Gravity

3.95g/cm3

Volume Density

3.6g/cm3

Melting Point

2250°C

Maximum service temperature

1900°C

 

Chemical Composition

 

Grade Chemical Composition
Al2O3(%) Fe2O3(%) SiO2(%) TiO2(%)
First Grade
92.0-96.0
0.2-1.0
1.0-3.0
1.5-3.8
Second grade
80.0-85.0
6.0-10.0
1.5-4.0
2.0-4.0
Third Grade
50.0-65.0
12.0-20.0
15.0-25.0
4.0-6.0

 

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