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A-99 High Purity Corundum Regenerative Ball Series


Overview:

A-99 High Purity Corundum Regenerative Ball Series Compared with the Regenerative Ball commonly used at present, the high-purity corundum (Al2O3 ≥ 99.5%) Regenerative Ball is much more excellent in thermal shock resistance, slag resistance and corrosion resistance, with longer service life and better energy saving effect.


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Aluminum titanate ceramics, silicon carbide ceramics


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• A-99 High Purity Corundum Regenerative Ball Series

Compared with the Regenerative Ball commonly used at present, the high-purity corundum (Al2O3 ≥ 99.5%) Regenerative Ball is much more excellent in thermal shock resistance, slag resistance and corrosion resistance, with longer service life and better energy saving effect.

 

 

Performance Comparison and Electron micro-graph

 

 

92% AlO3 

92% AlO3 

Ammai 99.5% corundum

SGJL 99.5% Corundum

Al2O3 content (%)

≥92 ≥99 ≥99.5 ≥99.5

Sintering temperature (℃)

1580 1650 1900 1900

Water absorption (%)

<3 <2 <0.5 <0.5
Density(g/cm³) ≥3.2 ≥3.4 ≥3.65 ≥3.65

Apparent porosity (%)

<12 <12 <2 <2

Thermal shock resistance 1200/600 ℃

≥ 3 times

≥5times ≥10times ≥10times

micro-structure

Crystallite

Crystallite

Tabular alumina

Tabular alumina

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