The heat insulating powder is mainly applied to cover the molten steel surface of ladle and tundish during continuous casting and pouring, so as to avoid excessive temperature drop of molten steel and cold steel on the molten steel surface during transportation and pouring.
Function:
Heat insulation to prevent steel surface crusting
Isolating air and prevent secondary oxidation of molten steel
Absorbing the non-metallic inclusions on the steel surface and purifying the molten steel
Main physical and chemical performance index:
|
Type |
FGJ-1 |
FGJ-2 |
FGJ-3 |
FGJ-4 |
|
Moisture % ≤ |
1 |
1 |
1 |
1 |
|
Particle size ≤ |
2mm |
2mm |
2mm |
2mm |
|
Carbon content% |
≤20 |
≥6 |
--- |
≤20 |
|
CaO/SiO2 |
0.3~1.0 |
≥0.9 |
≥0.9 |
1~5 |
|
Applicable steel grade |
Carbon steel, excellent carbon steel, low alloy steel, etc |
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|
Applicable section |
Steel ladle, tundish |
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