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2010-9-6
 
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  ◆ High Alumina Ceramic Ball  
 

High Alumina Ceramic Ball

Size: 1/4”-2”

Al2O3: 90-92%

Chemical and Physical Properties
& Typical chemical composition
Al2O3 +SiO2 >94% MgO <0.5
Al2O3 90-92 CaO <4
Fe2O3 <1 K2O+ Na2O <4
TiO2 <0.1    
Soluble Fe2O3: <0.001
& Typical physical properties

Dengsity

g/cm³

3.5

Water absorption

wt%

＜3

Mohs hardness

Scale

＞7

Specific heat （max）

℃

1760

Crushing strength

KN/pc

1/4” (6mm)

＞0.44

1” (25mm)

＞5.33

1½”(38mm)

＞5.28

2”(50mm)

＞8

&Size and Tolerance

Diameter Ø mm

3

6

8

10

13

16

20

25

30

38

50

65

75

Tolerance

±1.0

±1.5

±2.0

±3.0

 
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