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Parameters
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Comments
| Al2O3: | 37% | Bulk Density: | 1.0g/cm3 |
|---|---|---|---|
| Cold Crushing Strength: | 1.3MPa | Thermal Conductivity: | 0.5W.(m.K) |
| Name: | Insulating Fire Brick | Regular: | 230*114*65mm |
B – 1 Light weight and Low Thermal Refractory Fire Bricks For Steel Mill
Features:
1. Light weight and low thermal conductivity allows thinner furnace walls
2. Maintain stable structural strength throughout ambient to maximum service temperature
3. Low heat storage results in rapid cooling and heating operation
4. High thermal shock resistance in preventing spalling
5. Low iron and impurities to enhance reducing atmosphere
Advantages:
1. Low cost,high performance and price ratio.
2. High carbon content.
3. Mature technology.
4. Different brands magnesia carbon bricks are available according to the smelting conditions and the kind of smelting steel.
Phycial and Chemical Index:
| Product Index | Insulating Clay Brick | Insulating High Alumina Brick | |||||
| NG0.5 | NG0.6 | NG0.8 | NG1.0 | LG0.6 | LG0.8 | LG1.0 | |
| Al2O3 % ≥ | 35 | 40 | 42 | 42 | 50 | 50 | 52 |
| Fe2O3 % ≤ | 2.5 | 2.5 | 2.0 | 2.0 | 1.8 | 1.6 | 1.5 |
| Bulk Density≥ g/cm3 | 0.5 | 0.6 | 0.8 | 1.0 | 0.6 | 0.8 | 1.0 |
| C.C.S (Mpa) ≥ | 1.5 | 2.0 | 2.5 | 3.4 | 1.96 | 2.94 | 4.00 |
| Refractoriness ≥ °C | 1150 | 1200 | 1280 | 1300 | 1300 | 1350 | 1380 |
| 0.1Mpa Refractoriness under loadT0.6 ≥ °C | 1160 | 1250 | 1280 | 1300 | 1300 | 1350 | 1380 |
Phycial and Chemical Index:
