TYPE

CEHMICAL

PHYSICAL

Al2O3

Na2O

SiO2

Fe2O3

α-Al2O3

Specific

Surface

Area m2/g

D50-µm

                       CALCINED ALUMINA FOR REFRACTORIES

HC-800FG

99.7

0.05

0.1

0.03

96

0.9

3±0.5

HC-9FG

99.6

0.15

0.1

0.03

95

0.8

3.5±0.5

HC-3G

99.5

0.25

0.1

0.04

94

2

4±0.5

HC-5G

99.3

0.35

0.1

0.04

93

1

5±0.5

                       ACTIVE  ALUMINA FOR REFRACTORIES

HC-370

99.7

0.05

0.15

0.03

97

3

2.5±0.5

HC-1SG

99.6

0.05

0.15

0.03

96

7.5

1±0.5

HC-2SG

99.6

0.05

0.15

0.03

95

4

1.6±0.5

HC-3SG

99.4

0.25

0.15

0.04

94

4

1.5±0.5

                       CALCINED ALUMINA FOR BUILDING CERAMICS

HC-2G

98.0

0.35

0.15

0.03

91

2

1.5±0.5

HC-3G

99.0

0.35

0.15

0.03

92

1.5

3±0.5

HC-4G

99.0

0.35

0.15

0.03

93

1

4±0.5

                       CALCINED ALUMINA FOR ELECTRONIC CERAMICS

HC-20

99.7

0.04

0.03

0.03

96

0.7

HC-30B

99.8

0.03

0.03

0.02

97

0.6

HC-40

99.7

0.05

0.03

0.03

95

0.8

HC-50B

99.8

0.02

0.03

0.02

98

0.3

                        CALCINED ALUMINA FOR WEAR RESISTENT CERAMIC

HC-10

99.8

0.05

0.05

0.03

95

3

AP-20

99.7

0.15

0.03

0.03

94

2

AM-20

99.6

0.25

0.05

0.03

93

2

AM-30

99.5

0.35

0.04

0.04

92

1.5

                        CALCINED ALUMINA FOR GRINDING AND POLISHING

AL-5G

99.6

0.05

0.15

0.03

95

1.5

5±0.5

AM-1SG

99.5

0.25

0.2

0.04

94

1.5

1±0.5

AM-2FG

99.4

0.25

0.2

0.05

93

2

2±0.5