Introduction:
The 17 Support Media is equal to Denstone 57 Support media. The are the most widely used as catalyst support media in the world because of their excellent consistence and reliability. Products to these specifications are manufactured from very high quality chemical-porcelain clay materials, which has quite excellent stability, high mechanical strength and resistance to thermal shock, this makes them all ideal choice for support of all types of catalyst.
Typical Application:
- a) Widely used support media in the world because of their excellent consistence and
- b) Manufactured from very high quality chemical-porcelain clay materials, which has quite excellent stability, high mechanical strength and resistance to thermal shock, This makes them all ideal choice for support of all types of catalyst.
Warranty:
- a) By National Standard HG/T 3683.1-2000
b) Offer lifetime consultation on problems occurred
| Â Model: | Inert Ceramic Ball | |||
| Â Color: | Light Grey | |||
| Â Shape: | Ball | |||
| Â Typical Technical Composition | Min. % | Max. % | Usual % | |
| Â SiO2 | 70 | 77 | 74.9 | |
| Â Al2O3 | 17 | 19 | 18 | |
| Â Fe2O3 | ****** | 1.0 | 0.9 | |
| Â TiO2 | ****** | 0.5 | 0.46 | |
| Â CaO | ****** | 0.5 | 0.42 | |
| Â MgO | ****** | 0.5 | 0.38 | |
| Â Na2O | ****** | 2 | 1.12 | |
| Â K2O | ****** | 3.5 | 3.28 | |
| Â Al2O3Â + SiO2 | 90 | 94 | 93 | |
| Â Physical properties | ||
| Â Index | Value | Value |
|  Leachable Iron | ≤ 0.1% | ****** |
|  Apparent Porosity by Weight, dia. ≥ 10mm | ≤ 0.4% | ****** |
|  Apparent Porosity by Weight, dia. = 6mm | ≤ 1.0% | ****** |
|  Apparent Porosity by Weight, dia. = 3mm | ≤ 3.0% | ****** |
| Â Moh’s Hardness Scale | >6.5 | ****** |
| Â Water Absorption | <0.5wt.% | ****** |
| Â Acid Resistance | >99.8% | ****** |
| Â Alkaline Resistance | >85% | ****** |
| Â 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 g/cm3 | 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 |
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