Products
Alumina Raschig Ring
Description
The ceramic catalyst carrier is utilized as the covering or supporting materials of the catalyst in the petroleum, chemical industry, chemical fertilizer, natural gas...etc industries, the main role of catalyst carrier is to increase the distribution spots of gas or liquid, and to support and protect the activating catalyst with low strength.
Product Benefits
1、High purity Alpha alumina and low content of SiO2;
2、Excellent heat resistance and mechanical impact resistance;
3、Excellent chemical stability.
Chemical Analysis
|
Items |
90% ceramic ring |
99% ceramic ring |
|
Al2O3 |
> 90% |
> 99% |
|
SiO2 |
< 7% |
< 0.2%/0.35% |
|
Fe2O3 |
< 0.5% |
< 0.1% |
|
Na2O + K2O |
< 0.4% |
< 0.4% |
|
MgO + CaO |
< 1% |
< 0.2% |
Physical properties
|
Item |
Data |
||
|
|
Ceramic Fluted raschig ring |
Ceramic Porous ring |
Ceramic Raschig ring |
|
Al2O3 content |
90-99% |
90-99% |
90-99% |
|
Max. operation temperature |
1500℃ |
1500℃ |
1500℃ |
|
Apparent porosity, Wt% |
1-35% |
1-35% |
1-35% |
|
Water absorption |
0.5-20% |
0.5-20% |
0.5-20%/3-5% |
|
Specification gravity |
3.4-3.6g/cm3 |
3.4-3.6g/cm3 |
3.4-3.6g/cm3 / 3.4-3.5g/cm3 |
|
Moh’s hardness |
7-9 scale |
7-9 scale |
7-9 scale |
|
Size |
Diameter 16-80mm, Height 16-85mm |
Diameter 20-40mm, Height 20-40mm |
Diameter 10-40mm, Height 10-40mm |
