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Refractory concrete mixtures "BORCAST"

Refractory concrete mixtures "BORCAST"

Concrete mixtures «BORCAST» are designed for making monolithic concrete lining and production of refractory products

Technical characteristics

 

Norm for mark

 

BORCAST

96 W

96 WTA

96 S

93 S

80 S

80 W

74 ST

70 ST

ТS 14-194-271-15 

Mass fraction, %:

 

Al2O3+ MgO, no less

96

96

96

93

-

-

-

-

Al2O3, no less

-

-

-

80 

80 

74 

70 

CaO, no more

2,0

-

2,0

2,0

-

-

-

-

CaO, in the limit of

-

1,0-2,0

-

-

1,0-2,0

1,0-2,0

1,0-2,0

1,0-2,0

Fe2O3, no more

-

1,0

-

-

-

-

1,5

-

SiO2, no more

-

1,0

-

-

-

-

-

-

Cr2O3, not less

-

-

-

2,0

-

-

-

-

Compressive resistance, N/mm2, no less

after baking at the temperature 110  °C
as-fired at the temperature 1300 °C



-
70



50
80



-
80



-
70



-
60



-
65



-
70



-
45

Apparent density as-fired (1300°C), g/сm3, no less

3,10

2,90

3,15

2,95

2,70

2,60

2,60

2,65

Heat stability, thermal cycling, no less

-

-

-

-

-

-

20

30

Moisture content at the shipping, %, no more

0,7

Grain size composition ,%:
Screen  residue №7, no more
passage through the screen №0063, no less

10
20

10
20

10
30

10
30

10
30

10
30

10
30

10
30

 

 

Norm for mark

 

BORCAST

70 WT

70Z20 W

65 S

55 W

55 WT

55 S

50 W

1*

ТS 14-194-271-15 

Mass fraction, %:

 

Al2O3+ MgO, no less

-

-

-

-

-

-

-

95

Al2O3, no less

70

70

65

55

55

55

50

-

CaO, no more

-

-

-

-

2,0

-

-

-

CaO, in the limit of

1,0-2,0

1,0-2,0

1,0-2,0

1,0-2,0

-

1,0-2,0

1,0-2,0

1-2

Fe2O3, no more

-

1,0

-

-

2,0

1,5

-

1,0

SiO2, no more

-

-

-

-

-

-

-

-

Cr2O3, no less

-

-

-

-

-

-

-

-

ZrO2, no less

-

20

-

-

-

-

-

-

Compressive resistance, N/mm2,no less

after baking at the temperature 110 °C
as-fired at the temperature 1300 °C



-
40



-
70



-
70



-
50



-
40



-
65



-
45



-
60

Apparent density as-fired (1300°C), g/сm3, no less

2,55

3,30

2,45

2,25

2,30

2,20

 2,25

-

Heat stability, thermal cycling, no less

30

35

-

-

50

-

 -

-

Moisture content at the shipping, %, no more

0,7

Grain size composition, %:

 

Screen residue №7, no more

10

10

10

10

10

10

10

10

passage through the screen №0063,no less

30

20

30

30

30

30

30

30

 

* ТS 14-194-263-03

 

Norm for mark

 

BORCAST

96 WV

96 WTP

ТS 14-194-317-15 

Mass fraction on ignition basis, %:

 

Al2O3, no less

96

-

Al2O3 + MgO, no less

-

96

CaO, in the limit of

1,0-2,0

-

CaO, no more

-

2,0

Fe2O3 , no more

0,5

1,0

SiO2, no more

-

1,0

Compressive resistance, N/mm2, no less
as-fired at the temperature 1300 °C
as-fired at the temperature 1500 °C



70
-



-
100

Apparent density as-fired (1500°C), g/сm3, no more

-

3,10

Open porosity as-fired at the temperature 1300 °C, no more

19

-

Residual changes in size during heating, %, no more
at the temperature 1500 °C
at the temperature 1600 °C



-
0,7



0,8
-

Moisture content at the shipping, %, no more

0,7

Grain size composition, %:

 

screen residue №6, no more

10

10

passage through the screen №0063,no less

20

20

 

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