Fused Spinel chemical composition:
properties/designation |
AM-90 |
AM-85 |
AM-70 |
|
chemical composition % |
AL2O3 |
88-92 | 82-87 |
71-76 |
MgO |
8-12 |
12-17 |
22-27 |
|
CaO |
≤0.4 |
0.4 |
0.6 |
|
Fe2O3 |
≤0.35 |
0.35 |
0.35 |
|
SiO2 |
≤0.25 |
0.4 |
0.4 |
|
real density (g/m³) |
≥3.3 |
|||
grain size of section sand (mm) |
0-1/1-3/3-5/5-8 |
|||
powder (mesh) |
-180 -220 -240 -320 |