High alumina castable


Bauxite based castables are specially developed for circulating fluidized bed to meet its working characteristics. Featuring good construction performance, good volume stability and thermal shock stability, they are suitable for the construction of the furnace zones where anchor parts are dense.

Item

JX-LN-A

JX-DA55

JX-DA60

Al2O3 (%) ≥

45

55

60

BD (g/cm3)

110℃×16h

2.15

2.25

2.30

CCS (MPa) ≥

110℃×16h

25

30

30

1000℃×3h

35

40

40

MOR (MPa) ≥

110℃×16h

4

5

5

1000℃×3h

5

6

6

Linear change (%)

110℃×16h

-0.2~0

-0.2~0

-0.2~0

1000℃×3h

-0.5~0

-0.5~0

-0.5~0

Thermal shock resistance (cycles) ≥

900℃water-cooling

25

25

25

Service temperature (℃)

1400

1350

1350

 

Packaging: 25kg/ bag, 50kg/ bag. Storage: keep dry. Shelf life: 6 months.

 


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