Chemical Characteristics For Inert Alumina Ceramic Ball
In accordance with the different content of Al2O3, it can be divided into as follows：
|
Specification |
Common Ceramic Ball |
Inert Alumina Ceramic Ball |
Medium-Alumina Ceramic Ball |
High-Alumina Ceramic Ball |
99%-Alumina Ceramic Ball |
|
Al2O3+SiO2 |
＞93 |
＞92 |
＞93 |
＞94 |
＞99 |
|
Al2O3(%) |
17-23 |
23-30 |
47-75 |
90-92 |
99 |
|
Fe2O3(%) |
＜1 |
＜1 |
＜1 |
＜1 |
0.2 |
|
Water Absorption(%) |
＜0.5% |
＜0.5% |
＜1 |
＜2 |
2.0-6.0 |
|
Bulk Density g/cm3 |
2.3-2.4 |
2.3-2.4 |
2.6-2.9 |
3.4 |
3.1-3.6 |
|
Operation Temp.(max)℃ |
＞980 |
＞982 |
1480 |
1580 |
1600 |
|
Moh’s Hardnes(Grade) |
＞6.5 |
＞7 |
＞7 |
＞7 |
＞7.5 |
|
Crushing Strength |
KN/granula
| ||||
|
1/4(6mm) |
＞0.4 |
＞0.54 |
＞0.56 |
＞0.44 |
＞1 |
|
1"(25mm) |
＞6.22 |
＞6.22 |
＞4.89 |
＞5.33 |
＞8 |
|
11/2(38mm) |
＞8.92 |
＞8.92 |
＞5.33 |
＞5.28 |
＞8 |
|
2"(50mm) |
＞9.8 |
＞9.8 |
＞6.22 |
＞8 |
＞15 |
Specification
|
Dia(?) |
3 |
6 |
8 |
10 |
13 |
16 |
20 |
25 |
30 |
38 |
50 |
75 |
|
Allowable deviation |
±0.1
|
±1.5
|
±2.0
|
±3.0 | ||||||||