Mullite Brick

Mullite Brick

Corundum Mullite Bricks have stable quality and excellent durability. These products are made mainly of cordierite, mullite, and corundum of high purity. These brick have low porosity, excellent hot strength and creep resistance, and good volume stability at high temperature, and have been...

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Product Details

Corundum Mullite Bricks have stable quality and excellent durability. These products are made mainly of cordierite, mullite, and corundum of high purity. These brick have low porosity, excellent hot strength and creep resistance, and good volume stability at high temperature, and have been developed to meet the most demanding specifications for various industrial applications.



 

Item

Pouring mullite

Sintering mullite

Sintering fused mullite

Sintering corundum mullite

CCM-80

SM-65

SM-70

SM-75

SM-80

FM-74

SCM-80

AL2O3 (%)

80

64

68

74

78

72

80

Fe2O3 (%)

0.5

1.2

1.2

0.8

0.8

0.5

0.5

Refractoriness,℃

1810

1790

1790

1790

1810

1810

1810

Apparent porosity %

22

18

20

18

18

18

18

Cold Crushing strength MPa

60

55

60

65

70

70

70

Bulk density ,g/cm3

2.65

2.45

2.5

2.6

2.65

2.65

2.75

Refractoriness under load
KD℃≥

1650

1560

1580

1650

1700

1700

1700

Permanent linear change (℃×h)

1400℃×2h

-

-

-

-

-

-

-

1500℃×2h

+0.1
-0.2

+0.1
-0.4

+0.1
-0.3

+0.1
-0.2

+0.1
-0.2

+0.1
-0.1

+0.1
-0.1

Application

Glass furnace


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