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Brown Fused Alumina

Source:New Material of  RH Date:2018-06-25 Browsing Volume:4400 Second

1.Description:

Brown Fused Alumina is fused and crystallized under the high temperature of above 2250°C with high quality bauxite, carbon and iron as raw material.

2.Characteristics:

Brown Fused Alumina is of compression strength, high toughness, good self-sharpening, lower expansion coefficient, no rusty spot, good hydrophily, high cleanliness, heat resistance and chemical stability,etc

3.Application:

Brown Fused Alumina is used in many applications including steel and foundry industries, castables, light-weight insulating refractories. It also be used in grinding wheels, sandpaper, blasting media, metal preparation, lapping, polishing,and grinding.

4.Specification:


Items

Unit

Tilting Furnace

Fixed Furnace

Guarantee Value

Typical Value

Guarantee Value

Typical

Value

Chemical

Composition

Al2O3

%

95 min

95.5

95 min

95.4

SiO2

%

1.00 max

0.9

1.5 max

1.03

Fe2O3

%

0.30 max

0.20

0.30 max

0.23

TiO2

%

3.00 max

2.80

3.00 max

2.80

CaO MgO

%

1.0 max

0.56

1.0 max

0.54

Melting Point

2050

Refractoriness

1980

True Density

g/cm3

3.85-3.90 min

Mohs hardness

-

9.00 min

Refractory

Grade

Grain Size

mm

8-5, 5-3, 3-1, 1-0

Fine Powder

mesh

-80, 100, 150, 200, 325F

Abrasive Grade

FEPA

F14, 30, 150, 220


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