
| | Grits | Fines | Grains | Micro powder | |||
| Al2O3 | ≥95% | ≥92% | ≥95% | ≥92% | |||
| SiO2 | ≤1.5% | ≤2% | ≤1.5% | ≤2% | |||
| Fe2O3 | ≤0.5% | ≤0.55% | ≤0.5% | ≤2% | |||
| TiO2 | ≤3% | ≤3.3% | ≤3% | ≤4% | |||
| Color | | As shown | | | |||
| Moh’s hardness | | ≥9 | | | |||
| Melting point | | 2250℃ | | | |||
| The maximum temperature | | 1900℃ | | | |||
| Specific gravity | | 3.95 | | | |||
| Bulk density | | 1.53-1.99g/cm3 | | | |||
| density | | ≥3.90g/cm3 | | | |||
| Grits | | 0-1mm 1-3mm 3-5mm 5-8mm | | | |||
| Fines | | 200#-0 320/325-0 | | | |||
| Grains | | 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# | | | |||
| Powder | | #240 #280 #320 #360 #400 #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 | | | |||








