Alumina hole ceramic ball porcelain column
Alumina pore ceramic ball / porcelain column used in the petrochemical industry as a catalyst support cover cushion material,It is developed on the basis of inert ceramic balls lining，Its sphere diameter for the axial hole,Both as inert ceramic balls that mechanical strength, chemical stability and thermal stability,also increase the specific surface area and porosity, thereby increasing the material dispersion and flux, reducing the system’s resistance.I developed by the Secretary, the high-alumina ceramic ball, the use of spray granulation, with two-way press molding, product size and uniform appearance. The company also has its own patented design.
Alumina hole ceramic ball porcelain column chemical analysis
| chemical composition | content |
| Al2O3 | 70-99% |
| SiO2 | <25-0.2% |
| Fe2O3 | <1.0% |
| Na2O+K2O | <2.5% |
| MgO+CaO | <4% |
| CaO | <1.5% |
| TiO2 | <0.5% |
Alumina hole ceramic ball porcelain column physical properties
| Physical properties | index |
| The highest temperature | 1600℃ |
| Apparent porosity | <5Wt% |
| Water absorption | <0.8% |
| proportion | 2.7-3.7g/cm3 |
| Moh’s hardness | ≥ 7 levels |
| size | Dia 16-80mm—L16-85mm |
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