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Self-flowing corundum refractory castable
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Brands Items |
DFB-I |
DFB-II |
DFB-III |
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Al2O3 % not less than |
80 |
75 |
70 |
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Fe2O3 % not more than |
0.5 |
0.6 |
0.7 |
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Refractoriness ℃ not less than |
1790 |
1780 |
1770 |
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BD (g/cm3) not less than |
2.8 |
2.75 |
2.7 |
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CCS Mpa not less than |
110℃×24h After drying |
110 |
100 |
80 |
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1100℃×3h After burning |
140 |
120 |
100 |
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MOR Mpa not less than |
110℃×24h After drying |
12 |
12 |
10 |
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1100℃×3h After burning |
20 |
18 |
16 |
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TSR(1100℃ water-cooling) |
25 |
28 |
30 |
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PLC % |
110℃×24h After drying |
–0.2～0.1 |
–0.2～0.1 |
–0.2～0.1 |
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1100℃×3h After burning |
–0.1～0.1 |
–0.1～0.1 |
–0.1～0.1 |
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CC not less than |
1100℃×3h After burning |
4 |
5 |
5.5 |
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water needed for installation % |
5.5 |
6 |
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