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Brown Fused Alumina

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product description

Brown Aluminum Oxide (A)

 

Brown aluminum oxide is electrically fused in an arc furnace from a mixture of bauxite at high temperature. It has brown color, high hardness and great toughness. The abrasive tools made of brown aluminum oxide are suitable for grinding carbon steel, normal alloy steel, malleable cast iron and hard bronze. It used for refractory aluminum oxide lining mixture, pouring materials castable, etc.

 

Grain types and symbol

 

Usage

For vitrified wheels

For organic wheels

For belts

For sheets

For abrasives blasting

Symbol

A

A-B

A-P1

A-P2

A-S

 

Typical value of physical chemical performance index

 

Type

Grit

Chemical composition (%)

CAL.TEM.

 Magnetic % contens≤

Range of buld  density(g/cm3)

AL2O3

SiO2

TiO2

Fe2O3

CaO

A

F46

95.50

0.92

2.52

0.06

0.28

1050-1350

0.009

1.85

F120

94.50

1.12

2.74

0.07

0.27

1050-1350

0.008

1.62

F180

94.12

1.27

2.93

0.15

0.39

1050-1350

0.006

1.54

F360

92.42

1.75

3.85

0.62

0.45

1050-1350

0.022

1.29

A-B

F46

95.50

1.12

2.39

0.06

0.30

-

0.006

1.85

F120

94.50

1.22

2.62

0.08

0.32

-

0.009

1.61

F180

94.12

1.30

2.91

0.16

0.30

-

0.010

1.54

F360

92.42

1.78

4.36

0.65

0.50

-

0.018

1.22

A-P1

P40

95.57

1.08

2.45

0.06

0.28

-

0.007

1.72

P120

94.85

1.17

2.76

0.05

0.29

-

0.009

1.58

P180

93.89

1.37

3.40

0.15

0.32

-

0.006

1.52

P600

91.82

1.69

4.67

0.52

0.49

-

0.008

1.25

A-P2

P40

93.27

1.32

3.20

0.19

0.30

-

0.007

1.71

P120

92.85

1.27

3.21

0.21

0.37

-

0.008

1.56

P180

91.65

1.42

3.72

0.27

0.42

-

0.007

1.50

P600

90.80

1.77

4.62

0.72

0.56

-

0.006

1.21

 

Chart for grit size and chemical component of china GB/T 2478-1995

 

Type & Grit

Chemical composition (%)

 

Al2O3

TiO2

CaO

A
A-P1

F4-F80(P80)

95.00-97.50

1.50-3.80

0.45

F90-F150
(P100-P150)

94.00-97.50

F180-F220
(P180-P220)

93.00-97.50

F220(P220)

≥92.00

A-B
A-P2

F4-F80
(P8-P80)

≥93.00

1.50-4.20

-

F90-F220
(P100-P220)

≥91.00

F220(P220)

≥90.00

≤4.50

-

A-S

F16-F220

≥92.00

≤4.20

-

 

Chart for grit size and magnetic contents of china GB/T 2478-1996

 

Grit

Magnetic contents ≤

A,A-P1

A-B

A-P2

A-S

F8,P8

0.052 0

0.080 0

0.085 0

-

F10,P10

0.050 0

0.078 0

0.083 0

-

F12,P12

0.048 0

0.076 0

0.081 0

-

F14,P14

0.046 0

0.074 0

0.079 0

-

F16,P16

0.044 0

0.072 0

0.077 0

0.086 0

F20,

0.042 0

0.070 0

0.075 0

0.083 0

F22,P20

0.040 0

0.068 0

0.073 0

-

F24,P24

0.038 0

0.066 0

0.071 0

0.080 0

F30,P30

0.036 0

0.064 0

0.069 0

0.077 0

F36,P36

0.034 0

0.062 0

0.067 0

0.074 0

F40,

0.032 0

0.060 0

0.065 0

-

F46,P40

0.030 0

0.058 0

0.063 0

0.071 0

F54,P50

0.028 0

0.056 0

0.061 0

0.068 0

F60,P60

0.026 0

0.054 0

0.059 0

0.065 0

F70,P70

0.025 0

0.052 0

0.057 0

0.062 0

F80,P80

0.024 0

0.050 0

0.055 0

0.059 0

F90,P100

0.023 0

0.048 0

0.053 0

0.056 0

F100

0.022 0

0.046 0

0.051 0

0.054 0

F120,P120

0.021 0

0.045 0

0.050 0

0.053 0

F150,P150

0.018 0

0.044 0

0.049 0

0.052 0

F180,P180

0.018 0

0.044 0

0.049 0

0.052 0

F220,P220

0.018 0

0.044 0

0.049 0

0.052 0

 

Corresponding parameter set not found, please add it in property template of background
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