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Products
product name: Fireclay Refractories
 

 

   

 

Fireclay bricks are produced on the basis of different domestic qualities of fired fireclay and dried clays. Fireclay bricks are used for linings of thermal aggregates of 1400 working temperature. They are made by mechanical pressing .These products are used in the ceramic industry for linings of tunnel and chamber furnace, steam boiler furnaces, certain parts of lime furnaces, etc.

  Index

Products

Series

Al2O3%

Fe2O3

(Max.)%

R2O

(Max.)%

Na2O(Max.)%

Apparent Porosity (Min.)MPa

Cold

Crushing

Strength

(Min.)MPa 

Refractoriness

(Min.)℃

Reheating

Linear

Change%

Refractoriness

Under Load

(0.2MPa)

(Min.)℃

 

 

 

 

 

 

 

 

 

 

Fireclay Bricks

N-1

22

30

1750

1400℃×2h+0.1-0.4

1400

N-2a

24

25

1730

1400℃×2h+0.1-0.5

1350

N-2b

26

20

1730

1400℃×2h+0.2-0.5

N-3a

24

20

1710

1350℃×2h+0.2-0.5

1320

N-3b

26

15

1710

1350℃×2h+0.2-0.5

n-4

24

20

1691

1350℃×2h+0.2-0.5

1300

 

 

Kaolinite Bricks For Blast Furnace

ZGN-42

42(Min.)

1.6

15

58.8

1750

1450℃×3h 0-0.2

1450

GN-42

42(Min.)

1.7

16

49.0

1750

1450℃×3h 0-0.3

1430

 

 

 

 

Fireclay Bricks For Glass Oven

BN-40a

40Min.)

1.5

18

49

1400℃×2h+0 -0.4

1450

BN-40b

40Min.)

1.8

18

34.3

1400℃×2h+0 -0.4

1400

FXN-40

40Min.)

1.5

1.2

0.5

18

42

1400℃×2h+0.1-0.1

 

 

 

 

 

 

 

 

Low Porosity Fireclay Bricks For Glass Oven

N-14

42-48

1.6

14

49

1750

1400℃×2h+0.1-0.5

1430

N-15

42-48

1.8

15

39.2

1750

1400℃×2h+0.1-0.5

1420

N-16

42-48

2

16

39.2

1750

1400℃×2h+0.1-0.5

1400

N-18

42-48

2

18

39.2

1750

1400℃×2h+0.1-0.5

1400

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