Castable

High Alumina Castables

Description of High Alumina Castables

High alumina high strength refractory castable is one of the unshaped refractory materials.It is made of refractory aggregate . refractory powder . binders and other additives. It is loose, No fixed shape,Has high liquidity, Casting and vibration molding,Can use directly or use after add appropriate water or other liquid. It is one of the new type refractory material of don't need calcination. 



Product Details


Description of High Alumina Castables


High alumina high strength refractory castable is one of the unshaped refractory materials.It is made of refractory aggregate . refractory powder . binders and other additives. It is loose, No fixed shape,Has high liquidity, Casting and vibration molding,Can use directly or use after add appropriate water or other liquid. It is one of the new type refractory material of don't need calcination. 


Technical Dates of High Alumina Castables


Item

HW-LN

HWBH-50

HWBH-60

HWBH-65

HWBH-68

HWS-P4

AI2O3(%) ≥

40

50

60

65

68

-

AI2O3+MgO(%) ≥

-

-

-

-

-

70-80

B.D g/cm3≥

110℃x16h

2.20

2.25

2.45

2.50

2.60

2.80


1350℃x3h

2.15

2.20

2.40

2.45

2.55

2.80

C.C.S.(MPa)≥

110℃x16h

35

40

45

50

55

50


1350℃x3h

50

60

65

68

70

80

M.O.R MPa≥

110℃x16h

5

5

6

7

7

10


1350℃x3h

8

7

8

9

9

8

P.L.C(%)≤

110℃x16h

0.2

0.2

0.2

0.2

0.2

-


1350℃x3h

0.6

0.6

0.6

0.6

0.6

-

moisture addition%

6.5±0.5

6.0±0.5

5.5±0.5

5.0±0.5

5.0±0.5

4.5±0.5

service temperature℃

1300

1350

1350

1350

1350

1350

THE MAX.service temperature℃

1500

1600

1600

1600

1600

1600