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  • Name: Walnut Shell & Corn Cob
  • Code: 003
  • Time: 2016-03-29
  • Views : 108

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Introduction 
The walnut sand is made from walnut’s broken shell. It is widely used for the surface cleanness and water treatment. 

Features 
1 Environmental. It is nontoxic, harmless, safe and clean. 
2 Economical. It could be reused. 
3 Good toughness and elasticity. 
4 Could be used together with Silicon Carbide. 

Specification 
Mosh Hardness: 2.5-3.0 
specific gravity: 1.28 PH: 4-6 

Application 
Sandblasting, 
Polishing, 
Grinding 

Size Available 
6#~220#

 

Item

Walnut Shell

Corncob

Density

1.28g/cc

1.15g/cc

Hardness

2.5-3.0 MOH

2.0-2.5 MOH

Fiber Content

90.4

90.9

Water Content

8.7

8.7

PH

3-6

3-6

Available sizes

Grit No.

Size micron

Grit No.

Size micron

5

5000 ~ 4000

24

800 ~630

6

4000 ~ 3150

30

600 ~ 560

8

2800 ~ 2360

36

530 ~ 450

10

2000 ~ 1800

46

425 ~ 355

12

2500 ~ 1700

60

315 ~ 250

14

1400 ~ 1250

80

212 ~ 180

16

1180 ~ 1060

100

170 ~ 132

20

950 ~ 850

120

125 ~ 100

 

Grit No.

Size micron

Grit No.

Size micron

5

5000 ~ 4000

16

1180 ~ 1060

6

4000 ~ 3150

20

950 ~ 850

8

2800 ~ 2360

24

800 ~ 630

10

2000 ~ 1800

30

600 ~ 560

12

2500 ~ 1700

36

530 ~ 450

14

1400 ~ 1250

46

425 ~ 355

Othe size also available upon request.