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Tundish coatings
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Tundish coating is a necessary material for replacing the thermal shield and realizing continuous casting. It has features such as easy smearing, anti-cracking, erosion resistance and easy disintegration.
|
Items |
Coating material |
Painting material |
|||
|
YH-TM1 |
YH-TM2 |
YH-TM3 |
YH-PT |
||
|
MgO % ≥ |
80 |
85 |
65 |
85 |
|
|
CaO % ≥ |
— |
— |
10 |
— |
|
|
Bulk density g/cm3 ≥ |
110℃×24h |
2.1±0.1 |
2.2±0.1 |
2.0±0.1 |
1.9±0.1 |
|
Cold crushing strength MPa≥ |
110℃×24h |
3 |
5 |
5 |
4 |
|
1500℃×3h |
6 |
8 |
8 |
8 |
|
|
linear dimensional change |
1500℃×3h |
-1.5~-3.5 |
-1.5~-3.5 |
-1.0~-3.0 |
-1.5~-3.5 |
