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Refractory Balls

Refractory ball is made of bauxite,industrial alumina,mullite ,corundum,zirconia corundum,chrome corundum,cordierite,magnesia etc other refractory raw materials, processed by international nanotechnologies advanced ceramic crafts sintered under high temperature with mechanical frictional pressure moulding isostatic compaction.

Item

High alumina

Low creep

Mullite

Corundum

Alumina-magnesia

Size(mm)

40-80

40-80

40-80

40-80

40-80

AL2O3(%)

65

70

75

95

8+75%MgO

Refractoriness under load(C)

1450

1460

1530

1650

1500

Apparent Porosity(%)

25

23

22

18

21

Bulk Density(g/cm3)

2.3

2.4

2.5

3.1

2.7

Cold crushing strength(Mpa)

13

14

32

36

28

Thermal shock resistance

(1100Cwater cooling) cycle

15

10

20

7

10

Refractoriness(C)

1710

1750

1800

1800

1800

Refractory ball is specially used for hot blast stove of iron steel industry.


Address: West Development Zone, Zhengzhou City, Henan Province
Zip code: 450007
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