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High alumina castable for power sector
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High aluminum castable, featured by anti-infiltration, corrosion resistance, shock resistance and wear resistance capacities as well as good mechanical property, is widely applied in certain parts of station boilers.
|
Items |
HT-1 |
HT-2 |
HT-3 |
|
|
Al2O3 % ≥ |
75 |
75 |
75 |
|
|
Refractoriness ℃ ≥ |
1730 |
1750 |
1770 |
|
|
1100°Cx3h PLC % ≤ |
0.4 |
0.2 |
0.4 |
|
|
CCS MPa ≥ |
110°C x 24h |
60 |
80 |
70 |
|
1100°C x4h |
70 |
90 |
95 |
|
|
MOR MPa ≥ |
110°C x 24h |
8 |
10 |
12 |
|
1100°C x 4h |
9 |
11 |
12 |
|
|
Cement strength |
Hydraulic |
Hot hardening |
Gas hardening |
|
|
°C Maximum service temperature |
1300 |
1400 |
1400 |
|
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Application parts |
Furnace arch, wind box, baffle plate, touchhole, etc. |
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