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ALUMINA CERAMIC BALL

Heat Regenerative Ball (Ceramic Ball)

Material Characteristics:

Resistant to thermal shock and cycling between 200 and 1200 degree celcius at 30 second intervals.

Good resistance to thermal and mechanical shock

Excellent abrasion resistance

Diameter of Ceramic BallØ 13, Ø 19, Ø 20, Ø 22, Ø 25, Ø 30
Alumina Content of Ceramic Ball95 % or 99%
TypeFormed with rolling process, Formed with pressing process
Fines Specification0.2 wt% max < 250 microns in any 5kg sample
Grain Size and ShapeMax average grain size : 0.5 mm
Chemical InertnessResistant to most alkalis and mineral acids
Thermal Conductivity100 degree C 0.069 cal / sec cm degree C
Heat Capacity (AI2O3) cal/g degree C0.245:215 degree C 0.294:725 degree C: 0.302:1,025 degree C
Bulk Spesific Gravity>3.55
Apparent Porosity1-5%
Water Absorption0.1-5%
Melting Temperature3704 degree F (2040 degree C)
Maximum Use Temperature3704 degree F (2040 degree C)
Maximum Use Temperature1900 degree C
Thermal and Pressure Shock ResistancePassed
Surface Area<0.7 m3/g
Operating EnvironmentResistant to thermal shock and cycling between 200 and 1200 C at 30 second intervals
Refractoriness SK min35:3254 degree F (1790 degree C)
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