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High Alumina Brick HA-60-70-75-80

High Alumina Brick HA-60-70-75-80

( Manufacturer )



High Alumina Brick HA-60-70-75-80

High Alumina Brick  HA-60

Item

Standard

Al2O3(%)

60

SIO2(%)

32

Fe2O3(%)

1.7

Na2O+K2O(%)

2.3

Refractoriness

1790

refractoriness under load 0.2mpa()

1450

Porosity(%)

22

Bulk density(g/cm3)

2.33

Cold cushing strength (mpa)

50

Thermal expansion at 1000(%)

0.3

Reheating shrinkingchange(%) 1500X24h

-0.3

 

High Alumina Brick  HA-70

Item

Standard

Al2O3(%)

70

SIO2(%)

22

Fe2O3(%)

2.0

Na2O+K2O(%)

2.0

Refractoriness

>1770

refractoriness under load 0.2mpa()

>1510

Porosity(%)

<22

Bulk density(g/cm3)

2.43-2.48

Cold cushing strength (mpa)

50

Thermal expansion at 1000(%)

0.3

Reheating shrinkingchange(%) 1500X24h

-0.3

 

High Alumina Brick  HA-75

Item

Standard

Al2O3(%)

75

SIO2(%)

20

Fe2O3(%)

1.8

Na2O+K2O(%)

1.2

Refractoriness

>1790

refractoriness under load 0.2mpa()

>1520

Porosity(%)

<21

Bulk density(g/cm3)

2.45-2.55

Cold cushing strength (mpa)

54

Thermal shock resistant at 1100C(water)

>10

Thermal expansion at 1000(%)

0.3

Reheating shrinkingchange(%) 1500X24h

-0.3

 

High Alumina Brick  HA-80

Item

Standard

Al2O3(%)

78-80

SIO2(%)

18

Fe2O3(%)

1.8

Refractoriness

1790

refractoriness under load 0.2mpa()

1520

Porosity(%)

20

Bulk density(g/cm3)

2.55

Cold cushing strength (mpa)

60

Thermal expansion at 1000(%)

0.3

Reheating shrinking change(%) 1500X24h

-0.3




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Contact Us

Contact Person: Mr. Jack Song

Skype: jacksongcn

Email: info@refractory-brick.com

Phone: 86-18678974383

Fax: 86-532-80615828


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