| |
AM-90 |
AM-70 |
| Al2O3 |
88-91% |
69-76% |
| MgO |
8-9% |
22-27% |
| CaO |
0.4% max |
0.6% max |
| SiO2 |
0.25% max |
0.4% max |
| Fe2O3 |
0.5% max |
0.5% max |
| |
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 |
Brand
Property |
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
Porperty |
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 |
| Brands
Properties
|
AM-70 |
AM-85 |
AM-90 |
| Chemical
Analysis(%) |
Al2O3 |
69-76 |
82-87 |
87-92 |
| MgO |
22-27 |
12-17 |
7-12 |
| CaO |
≤0.65 |
≤0.5 |
≤0.4 |
| SiO2 |
≤0.4 |
≤0.4 |
≤0.35 |
| Fe2O3 |
≤0.4 |
≤0.4 |
≤0.4 |
| Grain
Size(mm) |
0-1,1-3,3-5 |
| Fine
powder(mesh ) |
80,100,240,325,
etc. |
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