Intermediate package dry material
Product parameter
Production process：It is made of high quality magnesia and calcined olivine as the main raw materials, and mixed with a variety of binders.
Main application：Thousand pound for tundish working layer.
Usage method：The dry material is rammed in the mold, and then heated and cured, and the curing temperature is between 230-300℃. Depending on the raw material, the service life is generally between 70-90 hours.
| Product code | MgO% | SiO2% | Fe2O3% | CaO% | Changes in line after burning (1500℃x2h)% |
|---|---|---|---|---|---|
| ZBGL-1 | ≥82 | ≤4 | ≤1.5 | ≤2 | ≤-4% |
| ZBGL-2 | ≥65 | 18-22 | 3-5 | ≤2 | ≤-5% |
