Zhengzhou Xinyu Import Export Trade Co., Ltd.
Zhengzhou Xinyu Import Export Trade Co., Ltd. Provide a strong guarantee for industrial kilns！
Add to Cart
Magnesium, magnesium calcium dry ramming material/refractory castable/clean steel, good thermal insulation effect
Product description:
This series of products is made of high-quality magnesite, fused magnesia, dolomite and other raw materials plus non-liquid binder. In addition to special steel grades, it has been widely used in continuous casting tundish of steel mills at home and abroad, and has gradually replaced the water-filled tundish coated products with long service life, clean steel, good thermal insulation effect, and easy disintegration of residual lining.
Physical and chemical indicators:
| Material | Magnesia | Magnesia- calcium | |||||
| Brand | XY-M-70 | XY-M-80 | XY-M-82 | XY-M-85 | XY-M-88 | XY-MCaO | |
| MgO/% | 70 | 80 | 82 | 85 | 90 | 75 | |
| CaO | 10-20 | ||||||
Bulk density /g﹒cm-3
| 220℃´3h | 1.8 ~ 2.2 | 2.1 ~ 2.2 | 2.1 ~ 2.3 | 2.1 ~ 2.4 | 2.1 ~ 2.4 | 2.0 ~ 2.2 |
| Firing linear change | 1500℃ | -2.5 ~ 0 | -2.0 ~ 0 | -2.5 ~ 0 | -2.0 ~ 0 | -1.5 ~ 0 | -3.0 ~ 0 |
| Crushing strength MPa,≥ | 200℃´3h | 2 | 5 | 5 | 6 | 7 | 5 |
| Crushing strength MPa,≥ | 1500℃ | 3 | 2 | 3 | 4 | 5 | 5 |
Production and inspection :
Packaging and transportation: