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BROWN FUSED ALUMINA
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About

Brown Fused Alumina: Brown Fused Alumina is compound or artificial corundum made from raw bauxite followed by different process like calcination, melting, crushing, & grading. It is the hard & most tough material after diamond with about 9 Mohs hardness, which make it the best for abrasive applications.
CapAlumina A: CapAlumina A is brown fused alumina abrasive (A) grade with highest purity, manufactured by Capstone Abrasives Company with industrial standards. To maintain the purity, we use high alumina content calcined bauxite, melting at around 2200°C temperature, which helps to improve the hardness as well as toughness in final goods.

CapAlumina Main Features:
- 100% Non-metallic
- Maximum Purity
- Tougher & Harder
- More Durability
- Chemical Inertness
- High Density
- Abrasion Resistance
- Eco-Friendly & Non-Hazardous

ABR GRADE

Brown Fused Alumina: Brown Fused Alumina is compound or artificial corundum made from raw bauxite followed by different process like calcination, melting, crushing, & grading. It is the hard & most tough material after diamond with about 9 Mohs hardness, which make it the best for abrasive applications.

CapAlumina ABR: CapAlumina ABR is brown fused alumina abrasive (ABR) grade with little less purity than Superior grade. This grade is actually of outer core of synthetic stone, which contains some less purity but as much hard & tough as CapAlumina A grade. Leaving some special applications, this grade is best to use.

CapAlumina ABR Main Features:
- 100% Non-Metallic
- Cost Effective
- Tougher & Harder
- Best Durability
- Chemical Inertness
- Abrasion Resistance
- Eco-Friendly & Non-Hazardous

B GRADE

Brown Fused Alumina: Brown Fused Alumina is compound or artificial corundum made from raw bauxite followed by different process like calcination, melting, crushing, & grading. It is the hard & most tough material after diamond with about 9 Mohs hardness, which make it the best for abrasive applications.

CapAlumina B: CapAlumina B is the reclaimed or recycled brown fused alumina manufactured by Capstone Abrasive Company with special recycling process which contains 85-90% purity with same physical properties of A & ABR grade. While it may be slightly less in quality, it still maintains commendable performance levels and adheres to industry standards.

Quality Assurance:We adhere to strict quality control measures. Our Recycled Brown Fused Alumina is produced with meticulous attention to detail, ensuring it meets the high standards we are renowned for.

CapAlumina B Main Features:
- 100% Non-Metallic
- Cost Effective
- Tougher & Harder
- Chemical Inertness
- Abrasion Resistance
- Eco-Friendly & Non-Hazardous

Chemical Analysis
Physical Analysis
Available Sizes
Deliverable Standards:
Packing & Forwarding

(A GRADE)

Compound

Guaranteed

Typical

Al2O3

 93.50%          

95%

Fe2O3 

 0.50%

-

TiO2   

 3.50%

-

SiO2   

 1.50%

-

CaO   

 1.50%

-

Other 

 0.1%

-

(ABR GRADE)

Compound

Guaranteed

Typical

Al2O3

 90.50%          

93%

Fe2O3 

 3.50%

-

TiO2   

 2.50%

-

SiO2   

 1.50%

-

CaO   

 1.50%

-

Other 

 0.1%

-

(B GRADE)

Compound

Guaranteed

Typical

Al2O3

85-90%          

92%

Fe2O3 

0.50-1.50%

-

TiO2   

 2.50%

-

SiO2   

 1.50%

-

CaO   

 1.50%

-

Other 

 0.1%

-


(A GRADE)

Attribute

Analysis

Color

Dark Brown

Shape

Angular

Nature

Hard & Tough

Hardness

 9 Mohs

Sp. Gravity

3.85-4.10 gm/cm3

Bulk Density

1.5-2.1 gm/cm3

Melting Point

2150oC

(ABR GRADE)

Attribute

Analysis

Color

Lite Brown/Grey

Shape

Angular

Nature

Hard & Tough

Hardness

 9 Mohs

Sp. Gravity

3.85-4.10 gm/cm3

Bulk Density

1.5-2.1 gm/cm3

Melting Point

2000oC

(B GRADE)

Attribute

Analysis

Color

Lite Brown/Grey

Shape

Angular

Nature

Hard & Tough

Hardness

 9 Mohs

Sp. Gravity

3.85-4.10 gm/cm3

Bulk Density

1.5-2.1 gm/cm3

Melting Point

2000oC

(A GRADE)

MM

BSS

ASTM

FEPA

 

MM

BSS

ASTM

FEPA

4.75

-

4

F4

0.425

36

40

F40

4.00

4

5

F5

0.355

44

45

F46

3.35

5

6

F6

0.300

52

50

F54

2.80

6

7

F7

0.250

60

60

F60

2.36

7

8

F8

0.212

72

70

F70

2.00

8

10

F10

0.180

85

80

F80

1.70

10

12

F12

0.150

100

100

F90

1.40

12

14

F14

0.125

120

120

F100

1.18

14

16

F16

0.106

150

140

F120

1.00

16

18

F20

0.075

200

200

F150

0.850

18

20

F22

0.063

240

230

F180

0.710

22

25

F24

0.053

300

270

F220

0.600

25

30

F30

0.045

350

325

F240

0.500

30

35

F36

0.037

440

400

F280

(ABR GRADE)

MM

BSS

ASTM

FEPA

 

MM

BSS

ASTM

FEPA

4.75

-

4

F4

0.425

36

40

F40

4.00

4

5

F5

0.355

44

45

F46

3.35

5

6

F6

0.300

52

50

F54

2.80

6

7

F7

0.250

60

60

F60

2.36

7

8

F8

0.212

72

70

F70

2.00

8

10

F10

0.180

85

80

F80

1.70

10

12

F12

0.150

100

100

F90

1.40

12

14

F14

0.125

120

120

F100

1.18

14

16

F16

0.106

150

140

F120

1.00

16

18

F20

0.075

200

200

F150

0.850

18

20

F22

0.063

240

230

F180

0.710

22

25

F24

0.053

300

270

F220

0.600

25

30

F30

0.045

350

325

F240

0.500

30

35

F36

0.037

440

400

F280

(A GRADE)

FEPA F Standard                                                                                                     

FEPA P Standard

EN ISO 11126-7

DIN ISO 8486-1

DIN 8201-6     

MIL A-A-59316

ANSI B74-12       

JIS R6001

NF EN 4638

D50TF5 Class A+D

DMR71-100

NF L 06-829

ABR 9-0160

CSS 12

(ABR GRADE)

50 KG Bag

Jumbo (1MT)

Custom On Request

(B GRADE)

50 KG Bag

Jumbo (1MT)

Custom On Request

Applications
Production of Refractory Bricks, High Alumina Bricks
Furnace Lining in Steel Industries
Heat insulating materials
Furnace & Ovens in Ceramic
Precision Casting Alumina Products
Foundry Crucibles
As Ramming Material
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