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Brown Fused Alumina

Brown Fused Alumina is a tough, sharp abrasives which is highly suitable for grinding metals of high tensile strength.

  • Brown Fused Alumina
  • Brown Fused Alumina
  • Brown Fused Alumina
  • Brown Fused Alumina
Brown Fused Alumina
Brown Fused Alumina
Brown Fused Alumina
Brown Fused Alumina
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Description

Brown Fused Alumina PROCESS OF PRODUCTION

Brown Fused Alumina is produced by the smelting of Calcined Bauxite in an electric arc furnace at temperatures greater than 2000°C. A slow solidification process follows the fusion, to yield blocky crystals. The melting help in removing residual sulphur and carbon , Strict control over Titania levels during the fusion process ensures optimum toughness of the grains. Then The cooled crude is further crushed, cleaned of magnetic impurities in high intensity magnetic separators and classified into narrow size fractions to suit the end use. Dedicated lines produce products for different applications.

 

APPLICATION

Brown Fused Alumina is a tough, sharp abrasives which is highly suitable for grinding metals of high tensile strength. Brown Fused Alumina thermal properties make it an excellent material for use in the manufacture of refractory products. Brown Fused Alumina is also used in other applications like blasting and surface hardening.

Brown Fused Alumina

Specification

Items

Unit

Index

Typical

 

Chemical

Composition

Al2O3

%

95%min

95.6

SiO2

%

1.50max

1.36

Fe2O3

%

0.30max

0.07

TiO2

%

3.00max

2.05

CaO+MgO

%

1.0max

0.7

Melting point

2050

Refractoriness

1980

True density 

g/cm3

3.90min

Mohs hardness

---

9.00min

Grain size

mm

0-50,0-1, 1-3, 3-5,5-8

Fine powder

mesh

-80, 100, 150, 200, 325F

Abrasive grade

FEPA

F14---F30—F150-F220

 

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