|
92%Al2O3
|
75%Al2O3
|
65%Al2O3
|
|
密度g/cm3
|
3.60
|
3.26
|
2.90
|
磨耗‰
|
≤0.2
|
≤0.25
|
≤0.5
|
硬度(莫氏)
|
9
|
8
|
7-8
|