Aluminum Oxide

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This sharp angular abrasive is the second hardest mineral after diamond. It is fast cutting and does not contain free silica. It give a matt finish, or produces anchor or ‘tooth’ patterns on most metal surfaces and can be used economically in a closed system environment.

Applications

The range of application is limitless – the removal of sand from casting; surface preparation prior to enameling, plating or bonding; etching; descaling; deburring; cleaning moulds; glass carvings and decorative works in glass industry.

TYPICAL:

PHYSICAL & CHEMICAL

BROWN

WHITE

PINK

PROPERTIES

Al2O3

Al2O3

Al2O3

COLOUR

DARK BROWN

WHITE

PINK

PHYSICAL NATURE

HARD & VERY TOUGH

HARD & FRIBLE

HARD & TOUGH

PARTICLE SPECIFIC GRAVITY

3.94

3.90

3.92

MELTING POINT

2050

2050

2050

HARDNESS MOH’S SCALE

9.0

9.0

9.0

 

TYPICAL CHEMICAL ANALYSIS

Al2O3

95.40

99.30

99.0

SiO2

0.70

0.15

0.15

Fe2O3

0.30

0.10

0.10

Tio2

3.00

CaO

0.60

0.10

0.10

Na2O

0.35

0.35

Cr2O3

0.30

ZrO2+HFO2

 

SPECIFICATIONS

 

GRADE

MICRON SIZE

Mesh 8

2360

Mesh 10

2000

Mesh 12

1700

Mesh 14

1400

Mesh 16

1180

Mesh 20

850

Mesh 24

740

Mesh 30

600

Mesh 36

480

Mesh 40

425

Mesh 46

326

Mesh 60

250

Mesh 80

180

Mesh 90

166

Mesh 100

150

Mesh 120

125

Mesh 150

100

Mesh 180

83

Mesh 220

68

Other size also available

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