AVERAGE CHEMICAL COMPOSITION(TYPICAL)
Al2O3 95.0-97.5%
TiO2 1.7-3.4%
Fe2O3 ≤0.30%
SiO2 ≤1.00%
CaO ≤0.42%
PHYSICAL PROPERTIES(TYPICAL)
Specific Gravity ≥3.90g/cm3
Mohs Hardness 9.0
Bulk Density 1.53-1.99g/cm3
Melting Point 2250℃
Refractoriness 1900℃
PARTICLE SIZE DISTRIBUTION
MESH UM RETAINED %
+7 +2800 0
+10 +2000 ≤20
+12 +1700 ≥45
+12+14 +1700+1400 ≥70
+12+14+16 +1700+1400+1180 *
-16 -1180 ≤3%
二级 | 85-92% |
三级 | 70-80% |
四级 | 60-70% |
五级 | 50-60% |