Specifications
middle high alumina ceramic ball:
Al2O3:85%
Bulk density >3.6
Hardness:8
Color:white
Our ceramic sphere is widely used as catalyst support media in refining, petrochemical, and other applications.
Our ceramic sphere is the most widely used in refining, petrochemical, and gas processing applications with unmatched impact resistence, thermal shock and crush strength and survivalbility. Our balls is your smart choice in catalyst support media because of the high quality raw materials, controlled processing and the most consistent properties.
Available sizes: 3mm, 6mm, 10mm, 13mm, 19mm, 25mm, 30mm, 38mm, 50mm, 75mm
Chemical composition:
SiO2 | 69%-74% |
Al2O3 | 19%-25% |
SiO2+Al2O3 | 92% |
CaO | 0.39% |
TiO2 | 1.18% |
MgO | 0.51% |
K2O | 3.06% |
Na2O | 0.53% |
leachable Iron | less than 0.1% |
Physical properties
Free volume (%) | 40 |
Water absorption (wt. %) | 0.5 |
Hardness, Mohs | 7 |
Particle density (gm/cc) | 2.3 |
Bulk density (kg/m3) | 1370-1400 |
Maximum operating temperture(oC) | 1040 |
Acid resistance(%) | 99.6% |
Alkali resistance(%) | 85% |
Thermal shock resistance(oC-oC) | 427-20 |
Crush Strength
size | Crush strength, lbs(kg) |
3mm (1/8") | 80 (36) |
6mm (1/4") | 180 (82) |
10mm (3/8") | 330 (150) |
13mm(1/2") | 600 (273) |
19mm(3/4") | 1300(590) |
25mm(1") | 2200 (1000) |
30mm(1-1/4") | 2200 (1000) |
38mm(1-1/2") | 2600(1182) |
50mm(2") | 3000 (1362) |
