Refractory concrete mixtures for the aluminum industry

BorAluCast

35 W*

60 WB

60 SB

70 WB

80 S

ТS 14-194-287-09

Mass fraction, %:

Al₂O₃, no less

Fe₂O₃, no more

CaO, in the limit of

BaO, in the limit of

35

3,5

-

-

60

-

1-2

3-6

60

-

1-2

3-6

70

-

1-2

3-6

80

-

1-2

-

Compressive resistance after heat treating, N/mm², no less:
- 800°C

- 1100°C

35
-

-
25

-
25

-
40

-
35

Apparent density after heat treating, g/сm³, no less:

-800°C
-1100°C

1,70
-

-
2,70

-
2,65

-
2,65

 

-
2,75

Moisture content, %, no more

0,7

Grain size composition, %:

screen residue №7, no more

passage through the screen №0063, no less

10

30