AIM-Inert Ceramic Balls are generally used as catalyst support media due to their brilliant stability and reliability. They are made from high-quality chemical-porcelain clay materials, which has quite excellent constancy, high mechanical strength and resistance to thermal shock.
| Model: | Inert Ceramic Ball | ||||
| Colour: | Light Grey | ||||
| Shape: | Ball | ||||
| Typical Technical Composition | Min. % | Max. % | Usual % | ||
| SiO2 | 70 | 77 | 74.9 | ||
| Al2O3 | 17 | 19 | 18 | ||
| Fe2O3 | 0 | 1.0 | 0.9 | ||
| TiO2 | 0 | 0.5 | 0.46 | ||
| CaO | 0 | 0.5 | 0.42 | ||
| MgO | 0 | 0.5 | 0.38 | ||
| Na2O | 0 | 2 | 1.12 | ||
| K2O | 0 | 3.5 | 3.28 | ||
| Al2O3 + SiO2 | 90 | 94 | 93 | ||
| Physical properties | |||||
| Index | Value | Value | |||
| Leachable Iron | ≤ 0.1% | 0 | |||
| Apparent Porosity by Weight, dia. ≥ 10mm | ≤ 0.4% | 0 | |||
| Apparent Porosity by Weight, dia. = 6mm | ≤ 1.0% | – | |||
| Apparent Porosity by Weight, dia. = 3mm | ≤ 3.0% | – | |||
| Moh’s Hardness Scale | >6.5 | – | |||
| Water Absorption | <0.5wt.% | – | |||
| Acid Resistance | >99.8% | – | |||
| Alkaline Resistance | >85% | – | |||
| Thermal Conductivity | 0.9-1.0 w/m2.k | – | |||
| Thermal Expansion @ 500℃ | 0.20% | – | |||
| Specific Heat | 628-837 j/kg | – | |||
| Thermal Shock Stability, 500 ℃ then water cooling | 10 times | – | |||
| Max. Operating Temperature | 1050℃ | 1922 | |||
| Specific Density | 2300 kg/m3 | 144 lb/ft3 | |||
| Bulk Density (Packing Density) | 1350 kg/m3 | 84 lb/ft3 | |||
| Size / | Crush Strength | ||||
| Nominal Size | (lbs) | (kg) | (N/pc) | ||
| mm | Inch | min. | min. | min. | |
| 3 | 1/8 | 77 | 35 | 343 | |
| 6 | 1/4 | 176 | 80 | 784 | |
| 10 | 3/8 | 234 | 106 | 1039 | |
| 13 | 1/2 | 572 | 260 | 2548 | |
| 16 | 5/8 | 726 | 330 | 3234 | |
| 19 | 3/4 | 1672 | 760 | 7448 | |
| 25 | 1 | 1870 | 850 | 8330 | |
| 38 | 1.5 | 2090 | 950 | 9310 | |
| 50 | 2 | 3476 | 1580 | 15484 | |