|
|
项目 |
指标 |
|
|
|
基本矿物 |
α- Al2O3 |
|
|
|
晶体尺寸 |
600-800 |
|
|
|
真比重 |
>3.90 |
|
|
|
堆积密度g/cm3 |
1.40-1.91 |
|
|
|
显微硬度 |
2200-2300 |
|
|
粒度范围 |
低铬 |
中铬 |
高铬 |
||||||
|
|
Al2O3 |
Cr2O3 |
Na2O |
Al2O3 |
Cr2O3 |
Na2O |
Al2O3 |
Cr2O3 |
Na2O |
|
F12-F80 |
≥98.5 |
0.2-0.45 |
≤0.5 |
≥98.2 |
0.45-1.0 |
≤0.55 |
≥97.4 |
1.0-2.0 |
≤0.55 |
|
F90-F150 |
≥98.5 |
≤0.55 |
≥98.2 |
≤0.6 |
≥97.0 |
≤0.60 |
|||
|
F180-F220 |
≥98.0 |
≤0.6 |
≥97.8 |
≤0.7 |
≥96.5 |
≤0.70 |
|||
