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Non-water pressure feed for blast furnace
product Overview:
Non-water pressure feed for blast furnace is a special pressure feed made of high-quality high-alumina bauxite clinker, corundum, silicon carbide and other refractory materials, using phenolic resin as a binder or Press into the mud. It is mainly used for filling between the blast furnace cooling wall and the furnace shell (brand: YRL-LB, CG-01) and between the bottom of the furnace bottom sealing plate and the carbonaceous ramming material (brand: YRL-LD).
Physical and chemical indicators:
| Grade | YRL-LB | CG-01 | YRL-LD | |
| Refractory（1200℃×3hAfter burning） ℃ ≥ | 1760 | 1690 | — | |
| Heating permanent line change（1200℃×3hAfter burning） % | ±1.0 | ±1.0 | — | |
| Bulk Density（110℃×24hAfter baking） g/cm3 ≥ | 2.2 | 2.1 | 1.3 | |
| Compressive strength at room temperature（110℃×24hAfter baking） Mpa ≥ | 10.0 | 10.0 | 14 | |
| Flexural strength at room temperature（110℃×24hAfter baking） Mpa ≥ | 4.0 | 4.0 | — | |
| High temperature flexural strength（1200℃×1h，Buried carbon） Mpa ≥ | 0.5 | 0.5 | — | |
| Thermal Conductivity（100℃） W/(m·k) ≥ | — | — | 3.0 | |
| Current value % | 170～185 | — | 120～135 | |
| Al2O3 % ≥ | 55 | 55 | — | |
| Fe2O3 % ≤ | 2 | — | — | |
| CT % ≥ | — | — | 90 | |
| granularity % | -1.5mm | 100 | — | — |
| -1.0mm | — | — | 100 | |
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