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INSULATING BRICK

INSULATING BRICK

 

 

 

 

◈ GR SERIES

Item

Properties

GR-23

GR-26

GR-28

GR-30

GR-32

Maximum
Operating Temperature(℃)

1260

1430

1540

1650

1760

APP.Porosity(%)

17

17

18

20

22

Bulk Density(kg/㎥)

550-600

780

880

1030

1250

Cold Crushing Strength(Mpa)

1.2

1.6

2.1

2.5

3.5

Thermal Expansion At 1100℃(%)

0.5

0.7

0.8

0.9

1.1

Reheating Linear Change(%)
CT -30 ℃ X 8H

-0.5
(AT 1230℃ X 2hrs)

-0.5
(AT 1400℃ X 2hrs)

-0.5
(AT 1510℃ X 2hrs)

-0.9
(AT 1620℃ X 2hrs)

-0.9
(AT 1730℃ X 2hrs)

Chemical Analysis(%)

Al₂O₃

37

58

67

73

77

Fe₂O₃

1.0

1.0

1.0

0.5

0.4

 

 

◈ B SERIES

Item

Properties

B-1

B-2

B-3

B-4

B-5

B-6

B-7

Maximum
Operating Temperature(℃)

900

1000

1100

1200

1300

1400

1500

Bulk Density(kg/㎥)

700

700

750

800

800

900

1000

Cold Crushing Strength(Mpa)

2.5

2.5

2.5

2.5

2.5

3.0

3.0

Thermal Expansion At 350℃(%)

0.17

0.18

0.20

0.22

0.23

0.27

0.31

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