| Customization: | Available |
|---|---|
| Purity: | 0.99 |
| Active Ingredient Content: | Al2O3 |
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99 high aluminum ball,also known as 99% high purity alumina porcelain ball,shows excellent chemical stability and mechanical properties under the harsh environment of high temperature and high pressure.this kind of high purity alumina porcelain ball is widely used in petroleum,chemical industry,ceramics,metallurgy and other fields,especially in the field of high temperature reaction and catalysis plays an irreplaceable role.
| Name | 99% Alumina ceramic ball | |||||||||
| color | white | |||||||||
| shape | ball | |||||||||
| Size | minimum content(%) | max content(%) | ordinary content(%) | |||||||
| chemical component | Al2O3 | 99 | 99.6 | 99.3 | ||||||
| SiO2 | / | 0.2 | 0.18 | |||||||
| Fe2O3 | / | 0.2 | 0.02 | |||||||
| TIO2 | / | 0.55 | 0.02 | |||||||
| CaO | / | 0.1 | 0.2 | |||||||
| MgO | / | 0.1 | 0.05 | |||||||
| Na2O | / | 0.25 | 0.1 | |||||||
| K2O | / | 0.2 | 0.13 | |||||||
| physical properties | leachable iron(%) | ≤0.01 | ||||||||
| apparent porosity(%) | ≤7.0 | |||||||||
| water adsorption(%) | <4.0 | |||||||||
| acid fastness(%) | >99.8 | |||||||||
| alkali resistance(%) | ≥95 | |||||||||
| specific bulk weight(g/cm2) | 2.1 | |||||||||
| Bulk density(kg/m3) | 3400 | |||||||||
| Moh's hardness | >8.0 | |||||||||
| heat conductivity coefficient(w/m2.k) | 0.7-0.8 | |||||||||
| operation temp max(C) | 1550 | |||||||||
| thermal expansivity(%)(500ºC) | 0.1 | |||||||||
| thermal shock resistance(500ºC To cold water) |
ten times | |||||||||
| geometrical features | Specification (mm) | 3 | 6 | 10 | 13 | 16 | 19 | 25 | 38 | 50 |
| Minimum compressive strength (N/PC) | 510 | 1030 | 1961 | 6031 | 7650 | 14896 | 15288 | 17946 | 22065 | |
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