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Brown Fused Alumina

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Brown fused alumina is made from high quality bauxite by fusing in electric arc furnace at a high temperature of more than 2000℃, processed with conecrusher and Barmac crusher by dressing, magnetic-separation and screeing.
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Detail

Description:

Brown fused alumina is made from high quality bauxite by fusing in electric arc furnace at a high temperature of more than 2000℃, processed with conecrusher and Barmac crusher by dressing, magnetic-separation and screeing.


Features:

Brown fused alumina has the high density and hardness, good self sharpening and excellent alumina grinding properties. The grains are in blocky shape.


Application:

Brown fused alumina is suitable for manufacturing vitrified and resinoid tools, lapping, polishing and blasting. It also can be used as superior refractory materials.


Specification:

Al2O3

94% Min

SiO2

1.5% Max

Fe2O3

0.4% Max

TiO2

1.5-3.8%

Size

0-1mm,   1-3mm, 3-5mm,5-8mm,0-10mm,0-50mm or as the request

Colour

Dark Brown

True Density

3.93-4.00g/cm3

Hardness

Knoop (kg/mm2)

2000-2200

Moh’s

9.0

Melting Point

2000℃

Max. Usable Temperature

1900℃