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Refractory concrete mixtures "BORCAST"
Concrete mixtures «BORCAST» are designed for making monolithic concrete lining and production of refractory products
Technical characteristics
|
Norm for mark |
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|
BORCAST |
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96 W |
96 WTA |
96 S |
93 S |
80 S |
80 W |
74 ST |
70 ST |
|
ТS 14-194-271-15 |
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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 |
|
|
|
|
|
|
|
|
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 |
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Grain size composition ,%: |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
|
Norm for mark |
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---|---|---|---|---|---|---|---|---|
|
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 |
|
|
|
|
|
|
|
|
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 |
|
|
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 |
|
|
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 |