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> Non-ferrous metals > Alumina cement |
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Alumina cement |
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Specification:
Fineness:remains on 0.080 square hole sieve ≤ 10%;
Setting time:initial time of setting is not less than 40 min,final
time of setting is not more than 10 hours.
Chemical Composition:
| AL2O3 |
CaO(%) |
SiO2(%)
|
Fe2O3(%)
|
| 52-56 |
32-35 |
≤10 |
≤ 3 |
| Type |
Compressive strength
≥ |
Bending strength
≥ |
| 1 day |
3 day |
1 day |
3 day |
| 425# |
35.3 |
41.7 |
3.9 |
4.4 |
| 525# |
45.1 |
51.5 |
4.9 |
5.4 |
| 625# |
54.9 |
61.3 |
5.9 |
6.4 |
| 725# |
64.7 |
71.1 |
6.9 |
7.4 |
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