Carbon-free steel ladle refractory mortar
2025-11-26
In steel plant slag lines, alumina-magnesia-carbon bricks are typically used for lining. For "wet lining" and "carbon-free steel ladle bricklaying," to address the issue of alumina-magnesia refractory mortar drying too quickly during the carbon-free steel ladle bricklaying process, a new type of refractory mortar specifically developed for carbon-free steel ladles can be used.
The composition of the new refractory mortar is as follows:
| material 化学成分 | content 成分构成 |
| 矾土细粉bauxite fine powder, | 58% |
| 镁砂细粉magnesia fine powder | 35 |
| 白泥white clay | 5 |
| 保水剂water-retaining agent | 0.15 |
| 水(外加) water (added) | 适量 Appropriate amount |
莫来石细粉或棕刚玉细粉 brown corundum fine powder | 100% |
| 石墨粉(外加)stone powder (added), | 4% |
| 结合剂（外加）binder (added) | 35-40% |
After being used by a steel plant, the mixed fire mortar, when observed under static conditions, did not exhibit any layering. During construction, the fire mortar did not dry too quickly. The brick joints constructed with this fire mortar were less than 1mm, demonstrating excellent construction results and receiving high praise from the user.
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HENAN SINO INDUSTRIAL REFRACTORY NEW MATERIAL CO. LTD
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