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  • Name: Brown Fused Alumina
  • Code: 111
  • Time: 2016-05-16
  • Views : 197

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Physical Properties

Color

Dark Brown

Bulk Density

115-125lb/cu.ft.

Specific Gravity

3.9

Grain Shape

Angular/sharp

Hardness

9 Mohs

 

 

 

Chemical Composition (% by weight)

Grit No.

16–30

36-60

70-90

100–120

150-180

220

Al2O3

94.5 - 97.0

93.5 min

92.5 min

TiO2

1.5 - 3.8

1.5 - 3.8

1.5 - 3.8

Magnetic Matters

<0.0380

<0.0280

<0.0230

<0.0230

<0.0170

<0.0170

 

Available grain sizes

Grit No.

Micron

Grit No.

Micron

Grit No.

Micron

10

2360 ~ 2000

30

710 ~ 600

80

212 ~ 180

12

2000 ~ 1700

36

600 ~ 500

90

180 ~ 150

14

1700 ~ 1400

40

500 ~ 425

100

150 ~ 125

16

1400 ~ 1180

46

425 ~ 355

120

125 ~ 106

20

1180 ~ 1000

54

355 ~ 300

150

106 ~ 75

22

1000 ~ 850

60

300 ~ 250

180

90 ~ 63

24

850 ~ 710

70

250 ~ 212

220

75 ~ 53