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| Al2O3(%): | ≥55 | Fe2O3(%): | ≤2 |
|---|---|---|---|
| B.D (g/cm3): | ≥2.2 | C.C.S(MPa): | ≥10 |
| Feature: | High Strength | Application: | Blast Stove |
| High Light: | iron making refractories,high alumina refractory |
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Non-water injection mix for blast stove of Steel making with high strength
The not-water injection mix for blast stove with features of easy construction, full filling, good integrity and high strength etc. It’s suitable for filling non-water injection mix between the blast furnace cooling wall and the furnace shell, and between the bottom sealing plate and the carbon ramming material.
| Non-water injection mix | YRL-LB | YRL-LD | |
| Refractoriness (℃) ≥ | 1200℃×3h after burning | 1760 | / |
| Permanent linear change (%) | 1200℃×3h after burning | ±1.0 | / |
| Bulk density (g/cm3) ≥ | 110℃×24h dry off | 2.2 | 1.3 |
| Cold crushing strength (MPa) ≥ | 110℃×24h dry off | 10.0 | 14 |
| Bending strength (MPa) ≥ | 110℃×24h dry off | 4.0 | / |
| Bending strength (MPa) ≥ | 1200℃×1h buried carbon | 0.5 | / |
| Thermal conductivity 100℃(W/m.k) | / | 3.0 | |
| Flow value (%) | 170-185 | 120-135 | |
| Al2O3(%)≥ | 55 | / | |
| Fe2O3(%)≤ | 2 | / | |
| CT(%) | / | 90 | |
| Grain size (%) | -1.5mm | 100 | / |
| -1.0mm | / | 100 | |
| Application | Filler between blast furnace cooling wall and furnace shell | Between furnace bottom and carbon ramming mass | |
Contact Person: Astra
