Heat Regenerative Ball ( Ceramic Ball )
Material Characteristics:
- - Resistant to thermal shock and cycling between 200 and 1200°C at 30 second intervals
- - Good resistance to thermal and mechanical shock
- - Excellent abrasion resistance
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Specification
- Diameter of Ceramic Ball
- Ø 13 , Ø 19 , Ø 20, Ø 22 , Ø 25 , Ø 30
- Alumina Content of Ceramic Ball
- 95% or 99%
- Type
- Formed with rolling process, Formed with pressing process
- Fines Specification
- 0.2 wt% max < 250 microns in any 5kg sample
- Grain Size and Shape
- Max average grain size : 0.5 mm
- Chemical inertness
- Resistant to most alkalis and mineral acids
- Thermal Conductivity
- 100°C 0.069 cal / sec cm°C
- Heat Capacity (Al₂O₃) cal/g°C
- 0.245:215 °C: 0.294:725 °C: 0.302:1,025 °C
- Bulk Spesific Gravity
- > 3.55
- Apparent Porosity
- 1-5%
- Water Absorption
- 0.1-5%
- Melting Temperature
- 3704°F (2040°C)
- Maximum Use Temperature
- 3704°F (2040°C)
- Maximum Use Temperature
- 1900°C
- Thermal and Pressure Shock Resistance
- Passed
- Surface Area
- < 0.7 m3/g
- Operating Environment
- Resistant to thermal shock and cycling between 200 and 1200C at 30 second intervals
- Refractoriness SK min
- 35:3254°F (1790°C)
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