Customization: | Available |
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Purity: | 0.99 |
Active Ingredient Content: | Al2O3 |
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These characteristics make 99 high aluminum porcelain ball an ideal choice for abrasives,abrasives and catalyst carriers in chemical industry, mining,metallurgy,electric power and other industries.with the continuous progress of science and technology,99 high aluminum porcelain ball application range will continue to expand.
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 |