SINTERED MG-AL SPINEL
 
     
  CHEMICAL AND PHYSICAL FEATURES :  
 
 
Grade 1
Grade 2
Grade 3
Al2O3
88-91%
76-79%
65-68%
MgO
9-10%
21-24%
30-33%
Fe2O3
0.2% max
0.2% max
0.2% max
SiO2
0.5% max
0.5% max
0.5% max
B.D.
3.35 g/cc min
3.30g/cc min
3.30g/cc min
 
     
  GRADE & CHEMICAL COMPOSION :  
 
Features
MA-90
MA-70
MA-65
MA-50
GRIT>0.1mm
FINE≤0.1mm
GRIT>0.1mm
FINE≤0.1mm
GRIT>0.1mm
FINE≤0.1mm
GRIT>0.1mm
FINE≤0.1mm
Chemical Composition
Al2O3% ≥
88-90
88-90
67-75
67-75
64-68
64-68
47-51
47-51
SiO2% ≤
0.3
0.3
0.4
0.4
0.6
0.6
1.0
1.0
MgO% ≤
9-11
9-11
23-31
23-31
31-35
31-35
47-51
47-51
Fe2O3% ≤
0.5
0.5
0.5
0.5
0.25
0.3
0.5
0.5
Physical Property
Magnetic Matter%
0.05
0.1
0.05
0.1
0.05
0.1
0.05
0.1
Apparent Porosity% ≤
3.0
5.0
3.0
3.0
Bulk Density%
3.30
3.30
3.30
3.30
 
     
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