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Luoyang Derui Abrasives Co., Ltd.

China Manufacturer with main products: Brown Fused Alumina, White Fused Alumina, Mullite, Silica Sand

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Raw refractory materials of Brown fused alumina


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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Henan in China
Packaging Details: 1MT or 1.25MT/bag

Specifications

Brown fused Alumina known as “artificial corundum” or “alumina grit”. Brown fused alumina is produced from bauxite, charcoal, iron chip by being fused under high temperature in an electric arc furnace. It is characterized by high toughness and has a micro hardness of 2000-2200kg/mm2. The abrasive tools made by brown fused alumina are suitable for grinding carbon steel, normal alloy steel, malleable cast iron and hard bronze, etc. Brown fused alumina can also be used for making fine quality refractory etc.

Brown Fused Alumina (refractory) 

Grit Size
AL2O3
MIN
SiO2
MAX
TiO2
MAX
Fe2O3
MAX
0-50mm
95%
1.5%
1.5-3.8%
0.5%
0-1mm
95%
1.5%
1.5-3.8%
0.5%
1-3mm
95%
1.5%
1.5-3.8%
0.5%
3-5mm
95%
1.5%
1.5-3.8%
0.5%
5-8mm
95%
1.5%
1.5-3.8%
0.5%
  
Physical Performance Index 
Item 
Index
Color
Brown
Crystal shape
Trigonal
Hardness(mohs)
≥9.0
Melting Point (°C)
2250
True density (g/cm3)
≥3. 90
Linear Expansion Coefficient(0—1600°C)
7—9

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