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Fused spinel

Fused spinel
Details

Fused magnesia alumina spinel is made from alumina and high-purity slightly-burnt magnesia

at the temperature of above 2000 ℃ in the electric arc furnace.It has the properties of big bulk density, good thermal shock stability and strong anti-erosion. It is an ideal material for production of high-grade magnesia-alumina brick, high performance magnesia-alumina castable, large cement kiln etc.  

quality

Al2O3

%

MgO

%

CaO

%max

Fe2O3

%max

SiO2

%max

NaO

%max

B.D.

g/cm3 min

AM-67

63-68

31-35

0.8

0.4

0.5

0.5

3.3

AM-70

71-76

22-27

0.65

0.4

0.4

0.4

3.3

AM-85

82-87

12-17

0.5

0.4

0.4

0.5

3.3

AM-90

88-92

8-12

0.4

0.4

0.25

0.5

3.3

Sizes

0-1mm,1-3mm,3-5mm,5-8mm,  -100mesh, -200mesh, -325mesh or

as the request


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