Regenerative Ball - Alumina Ball

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Regenerative Ball

Property

high strength, wear resistance, huge thermal conductivity, high heat storage, high thermal efficiency

Applications

1. It is applicable as heat accumulator in air separation plant; 2. This kind of ceramic ball can be used as heat storage packing in heating furnace.

Package

In 25kgs/bag, 1,000 or 1,250kgs/pallet, 20 pallets in a 20’ container.

Technical Parameters

		99		99.5
AL2O3		99%		99.5%
Water absorption rate(%)		≤0.5		≤0.5
Stacking density(KG/m3)		2200		2200
Dimension(mm)		Φ13、Φ19、Φ25		Φ13、Φ19、Φ25
Thermal Conductivity (100℃ cal/sec.cm ℃)		0.069
Heat Capacity (cal/g.℃)		0.245@215℃	0.294@725℃		0.302@1025℃
Anti-compression rate(Mpa)	Φ13mm	11		12
	Φ19mm	20		21
	Φ25mm	26		28
Heat Resistance(℃)		≥1790		≥1790
Thermal Shock (200-1200℃ 30 seconds cycle)		6 months		6 months