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Specifications
KANGYU Ceramic Support Media Ball.Al2O3 Content: 17~99%
Size: 3~50mm
ISO9001:2008 Certified
KANGYU??Inert Alumina Support Media Ball
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Introduction:
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?Inert Alumina Support Media Ball?was made from very high quality chemical-porcelain clay materials, which has quite excellent stability, high mechanical strengthand resistance to thermal shock, This makes them all ideal choice for support of all types of catalyst.
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Chemical composition
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| Min. % | Max. % | Usual % |
SiO2 | 64.00 | 75.00 | 68.40 |
Al2O3 | 19.00 | 26.00 | 24.50 |
Fe2O3 | ****** | 0.12 | 0.10 |
TiO2 | ****** | 1.40 | 0.96 |
CaO | ****** | 0.65 | 0.42 |
MgO | ****** | 0.60 | 0.38 |
Na2O | ****** | 2.00 | 1.12 |
K2O | ****** | 3.50 | 3.28 |
Al2O3 + SiO2 | 90.00 | 96.00 | 92.90 |
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Physical properties
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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 | ≤ 1.0% | ?****** |
Moh's Hardness Scale | >6.5 | ?****** |
Water Absorption | <1.0wt.% | ?****** |
Acid Resistance | >99.8% | ?****** |
Thermal Conductivity | 0.9-1.0 w/m 2 .k | ?****** |
Thermal Expansion @ 500 | 0.20% | ?****** |
Specific Heat | 628-837 j/kgq | ?****** |
Thermal Shock Stability, 500 then water cooling | 10 times | ?****** |
Max. Operating Temperature | 1050 | 1922 |
Specific Density | 2,350 kg /m 3 | 146 lb /ft 3 |
Bulk Density (Packing Density) | 1,350 g /cm 3 | 84 lb /ft 3 |
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Crush Strength
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| Crush Strength | |||
Nominal Size | (lbs) | (kg) | (N/pc) | |
mm | Inch | min. | min. | min. |
3 | 1/8 | 50 | 23 | 225 |
6 | 1/4 | 123 | 56 | 550 |
10 | 3/8 | 202 | 92 | 902 |
13 | 1/2 | 385 | 175 | 1716 |
16 | 5/8 | 520 | 236 | 2315 |
19 | 3/4 | 978 | 444 | 4355 |
25 | 1 | 1428 | 648 | 6355 |
38 | 1-1/2 | 2020 | 916 | 8983 |
50 | 2 | 2987 | 1355 | 13288 |
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