High-performance castable specially developed to meet the requirements of short furnace construction time, fast baking temperature and long service life. The oven time is 2-4 days, compared with 9-15 days for conventional castable, oven time and production time is saved.
Application: all parts of industrial furnace, and the ideal materials for annual repair, large, medium and small repair of various heating furnaces.
Main physical and chemical performance index:
|
Index |
TNFJ-1 |
TNFJ-2 |
TNFJ-3 |
TNFJ-4 |
TNFJ-5 |
TNFJ-6 |
|
|
Al2O3 % ≥ |
55 |
58 |
60 |
65 |
55 |
70 (MgO) |
|
|
Bulk density g/cm3 ≥ |
2.30 |
2.35 |
2.42 |
2.46 |
2.48 |
2.52 |
|
|
CCS MPa ≥ |
110℃ |
40 |
40 |
45 |
50 |
30 |
25 |
|
|
1400℃ |
60 |
60 |
65 |
70 |
70 |
60 |
|
Linear change after heating % |
1400℃ |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
±0.5 |
±0.6 |
Note: TNFJ-1 and TNFJ-2 are applied to furnace roof and low temperature furnace wall, TNFJ-3 and TNFJ-4 are applied to furnace wall and furnace roof, TNFJ-5 is applied to furnace wall, TNFJ-6 is applied to high temperature furnace bottom
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