Description
Magnesia ramming mass is made of magnesia sand or fused magnesia sand and magnesia fine powder as the main raw materials, and added with binders and additives.
Magnesia ramming mass has the characteristics of high temperature resistance and good slag resistance. Magnesia ramming mass also has high mechanical strength and good wear resistance, good material erosion resistance, thereby extending the service life of the furnace lining and reducing maintenance costs.
Specifications
| Items | Grades | ||||
| MD-95 | MD-90 | MD-85 | MD-80 | ||
| ω(MgO) / % | ≥95 | ≥90 | ≥85 | ≥80 | |
| Density / (g/cm³) | 110℃×24h | ≥2.8 | ≥2.75 | ≥2.7 | ≥2.65 |
| CCS / MPa | 110℃×24h | ≥35 | ≥35 | ≥35 | ≥35 |
| 1000℃×3h | ≥40 | ≥40 | ≥40 | ≥40 | |
| —— | ≥601550℃×3h | ≥501500℃×3h | ≥301500℃×3h | ≥301450℃×3h | |
| CMOR / MPa | 110℃×24h | ≥6 | ≥4 | ≥4 | ≥4 |
| 1000℃×3h | ≥8 | ≥6 | ≥4 | ≥4 | |
| —— | ≥101550℃×3h | ≥61500℃×3h | ≥41500℃×3h | ≥31450℃×3h | |
| HPLC / % | 0~+1.51550℃×3h | 0~+2.01500℃×3h | 0~+2.01500℃×3h | 0~+2.01450℃×3h | |
Applications
Magnesia ramming mass is widely used in the lining of converters, electric furnaces, ladles, etc. in the metallurgical industry, withstanding the scouring and erosion of high-temperature molten steel.
