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Garnet for Sand Blasting or Grinding of Semi_Conductor, Optical Glass and Cathode Ray Tube Etc
Natural Garnet Powder
Natural garnet powder is carefully produced based on the material of natural almandine by modern production technique. With the feature of self-sharpening, high polishing efficiency, low consuming and well fineness of the polisher, the products are fit to variety of electronic industry such as fluorescent screen, optical lens, glass products and semi-conductor. It is also suitable for the processing of leather, printing board, stone, plastic and galvanization. They are also the ideal materials for the processing of sandblast polishing, high accuracy emery cloth etc.
 
Application:
Kinescope bulb series: Kinescope bulb series: suitable for the grinding and polishing of bulbs of CPT、CDT and backward projection.
Optical series: suitable for the grinding and polishing of optical glass 0of camera lens, glasses and telescope.
Silicon series: suitable for the grinding of semi-conductor silicon and ceramics.
Artwork glass series: suitable for the grinding and polishing of crystal, modern lamps and artwork glass.
Polishing series: suitable for the polishing of stainless steel product, boarding, stone, leather and bone.
Additive series: suitable for dense fillings and additives between 0 to 10 Micron.
 

Mineral Impurities

Granularity

Size ( um )

Mineral Impurities Content

Max. allowed impurity size ( um )

In

 Not more than

8#

2360-2800

Granule Number)%

6%

10#

2000-2360

6%

12#

1700-2000

6%

14#

1400-1700

6%

16#

1180-1400

6%

20#

850-1000

6%

24#

710-850

6%

30#

600-710

6%

38#

500-600

6%

46#

425-500

6%

46#

355-425

6%

60#

250-300

6%

70#

212-250

6%

80#

180-212

6%

100#

125-150

6%

120#

106-125

6%

150#

90-106

6%

180#

75-90

6%

220#

63-75

6%

240#

60-63

6%

(W63) 280#

50-60

6%

(W50) 280#

50-60

6%

85

(W40) 400#

40-50

Weight)%

6%

75

(W28) 450#

28-40

6%

65

(W28) 500#

20-28

6%

55

(W20) 600or  700#

14-20

6%

45

(W14) 1000#

10-14

7%

30

(W10) 1200#   or 1300#

7-10

7%

25

(W7) 1600#

5-7

7%

20

(W5) 2000#

3.5-5

7%

18

(W3.5) 3000#

1-3.5

7%

15

(W2.5) 4000#

0.5-1

7%

12

 
Main Parameter:
Physical Properties:

Density

3.95g / CM3

Hardness

(Mohs) 7 - 8

 
Chemical Composition:

Chemical Composition

SiO2

Al2O3

Fe2O3

FeO

MnO

MaO

CaO

Weight (%)

35-40

20-28

25-27

5-10

1.5-2.5

0.5-2.2

1.5-5

 
Magnetism Composition :

Granularity Type

8# - 280#

280# - 4000#

Magnetism Composition (%)

No more then (0.3 %)

No more then (0.5%)