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Brown fused alumina is fused and crystallized under high temperature from a mixture of bauxite and other and other raw materials. It is characterized by its high hardness,good toughness and shape in size. Abrasives tools made of it are suitable for grinding metals of high-tensile strength such as: carbon steel,general-purpose alloy steel,annealed malleable iron and hard broze,etc.It also can be used as refractory materials.

Brown fused alumina is the main chemical ingredient AL2O3, its content is 94.5% , and the other containing a small amount of Fe, Si, Ti and so on. Corundum because of its high hardness, toughness is good, more used as a grinding material, which is one of the most basic abrasive. Applicable to carbon steel, malleable iron and hard bronze etc. grinding. In addition, in refractory materials, chemical additives, precision casting and anti-slip material also has wider application.

 

Size we supply:
8-5mm, 5-3mm, 3-1mm, 0-1mm
320mesh-0, 280mesh-0, 240mesh-0, 200mesh-0, 180mesh-0
F24-F40, F46-F100, F120-F220, F240-1200F
P24-P40, P46-P220

The physical and chemical analysis:

Al2O3	≥95.0%
SiO2	≤1.0%
TiO2	≤1.8%
Fe2O3	≤0.05%
Class	A
Hardness	≥9
Bulk density	≥1.75 g/cm3
Grain density	≥3.97g/cm3
Content of magnetic material	≤0.038%