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Inert Alumina Ball
Inert Alumina Ball is widely used in petrochemical industry, chemical industry, fertilizer industry, natural gas industry and environment protection etc. With functions as covering and supporting materials for catalyst in reactors and packing for towers. Its main role is increasing the distributions of liquid and gas, holding and protecting the activated catalyst with low strength.
| Size mm |
φ3 |
φ6 |
φ8 |
φ10 |
φ13 |
φ16 |
φ20 |
φ30-50 |
| Diameter error /mm |
±1 |
±1 |
±1 |
±1.2 |
±1.5 |
±1.5 |
±1.8 |
±2.0 |
Main specification：
| Physical spec. |
Chemic content |
| item |
units |
index |
material |
index |
remark |
| proportion |
g/cm3 |
2.3-2.8 |
Al2o3 |
20-90% |
1、al2O3& SIO≥92%
2、The content of al2O3& SIO base on customer demand。 |
| heat exchange coefficient |
Kcal/m h℃ |
≥0.7 |
Sio2 |
7-62% |
| drink rate |
% |
≤1 |
Fe2O3 |
< 1 |
| Endure temperature |
℃ |
1300-1850 |
Cao |
< 1.5 |
| specific heat |
cal/g℃ |
0.15-0.2 |
Na2O |
< 1.5 |
| Cold test |
℃ |
800-20
|
MgO |
< 1 |
| Endure acidity |
% |
≥98 |
K2O |
< 2.5 |
| Endure alkalinity |
% |
≥80 |
other |
|
| rigidity |
mohs hardness |
≥6.5 |
|
|
Packing standard
1. export box packing (25kg/bag, 50kg/bag)
2. wood salver packing ( 0.8m3 / packing) | 
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