Henan Rongsheng Xinwei New Materials Research Institute Co., Ltd
High Quality Industrial Refractory Material Manufacturer And Supplier
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Ramming Mass Physical And Chemical Index
| Name | Composition | Application | Note |
| Carbon packing material | Metallurgical coke powder (less than 4mm) 80% Dehydrated coal tar 15% Coal pitch 5% | The gap between blast furnace base clay brick masonry and furnace shell, blast furnace hearth, the gap between furnace hearth clay brick or high alumina masonry and surrounding cooling wall | Volume ratio |
| Carbon ramming mass | Metallurgical coke powder (less than 4mm) 85% Dehydrated coal tar 5% Coal pitch 10% | Blast furnace lining | (mass ratio) |
| Magnesia ramming mass | Magnesia sand (granularity ≤5mm) 85% dehydrated coal tar 15% | Lateral lifting open hearth furnace bottom | (Volume ratio) |
| Magnesia sand 89%~91.5% dehydrated coal tar 7%~9% coal pitch 1.5%~2% | Electric furnace bottom | (mass ratio) | |
| Magnesia sand 89% iron oxide powder 2% dehydrated coal tar 9% | Electric furnace bottom and ramp | Mass ratio | |
| Chrome plastic refractory | Chromite 97% binding clay 3% water glass 7% | Soaking pit hearth central part, burner nozzle surrounding | (mass ratio) |
| Magnesia ramming mass | Magnesia sand 50% clay refractory mortar 30% laterite 5% coke powder 5% Iron oxide powder 10% Brine (for extra addition) | Soaking pit hearth central part, burner nozzle surrounding | (mass ratio) |
| Chrome oxide ramming mass | Chromite (granularity ≤3mm) 90% Iron oxide (granularity ≤3mm) 5% | Circular heating furnace bottom | (volume ratio) chromite ingredient requirement: Cr2O3>35% |