item |
95 |
96 |
97 |
Al2O3 |
≥95% |
≥96% |
≥97% |
SiO2 |
≤1.2% |
≤1.0% |
≤0.8% |
TiO2 |
≤3.2% |
≤3.0% |
≤2.0% |
Fe2O3 |
≤0.3% |
≤0.2% |
≤0.2% |
CaO+ MgO |
≤0.6% |
≤0.5% |
≤0.4% |
Real demsity |
≥3.9 g/cm3 |
||
Moh's hardness |
9.0 |
||
Microhardness |
2000-2200KG/MM2 |
||
Clarseness |
8-5MM 5-3MM 3-1MM 1-0MM |
||
16# 24# 30# 36# 46# 60# 70# 80# 90# 100# 120# |
|||
Fines |
180F 200F 240F 325F (Fe2O3 ≤0.50%) |
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