Al Continuous caster using ceramic launder
Launder is a channel, normally internally lined, used for the transfer of molten aluminum. Launder is a good insulator,
non-wetted by the molten aluminum, exhibit excellent mechanical strength including resistance to metal wear and
physical damage. The launder is made of high strength heat insulation castable with good strength due to high
temperature drying.
Characteristics:
| 1, High mechanical strength; |
4, High temperature resistance and small deformation; |
| 2, Anti-corrosion of aluminum liquid; |
5, Common refractoriness and easy to clean; |
| 3, Good heat insulation; |
6, Longer service life; |
Launder is used as a lining, excellent in high temperature resistance when transmits aluminum and aluminum alloy.
The prefabricated launder and technical service can be specially designed of function and structure according to
actual requirements to successful guarantee the qualified plate products casting. Ordinary material is the common
materials FL for customers.
Physicochemical:
| |
Density (g∕cm³) |
Max. Temp (℃) |
Expansion coefficient
（700℃） |
Thermal conductivity （w∕m.k@720℃） |
Shrinkage coefficient
（800℃×24h）
|
Bend
strength
（Mpa）
|
Pressure resistance
（Mpa） |
| SL |
0.5~0.6 |
≥1200℃ |
≤2.77×10ˉ6 |
≤0.12 |
≤0.5 |
≥0.25Mpa |
≥0.35 |
Material
| |
Color |
Work Temp (℃) |
Si O 2 |
AL2O3 |
Fe2O3 |
CaO |
dregs |
TiO2 |
Na2O |
| SL |
White |
≥800 |
48.5% |
50.4% |
0.3% |
0.41 |
≤0.05% |
0.7% |
0.7% |
Mature Whole Line Workshop for Quality Control
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