Coating Mix is an important lining material for the tundish, which comes into direct contact with high-temperature molten steel and slag. It is required to have good corrosion resistance, sintering resistance and ease of construction, while not polluting the molten steel.
PRODUCT ADVANTAGES
The construction performance
Anti - burst performance
Anti - erosion performance
Anti - sintering performance and heat preservation performance are good
It doesn’t contain sulfur and phosphorus, which do not pollute molten steel
TECHNICAL SPECIFICATIONS
|
Index |
TNTM-1 |
TNTM-2 |
TNTM-3 |
|
MgO（%） |
≥80 |
≥65 |
≥50 |
|
SiO2（%） |
≤10 |
≤25 |
≤35 |
|
Bulk density（g/cm3）110℃×16h |
1.9±0.2 |
1.8±0.2 |
1.8±0.2 |
|
Cold Crushing Srength（MPa) 110℃×16h |
≥4.0 |
≥3.0 |
≥2.0 |
|
Cold Crushing Srength（MPa) 1500℃×3h |
≥8 |
≥6 |
≥5 |
|
Linear change after heating （%）1500℃×3h |
-3.0～0 |
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