// SPEC · Monolithic Refractories
Magnesia Refractory Mortar MgO 75%
Magnesia refractory mortar with 75% MgO for converter and EAF brick joints. Exceptional basic slag and iron oxide resistance for BOF working linings, electric arc furnace sidewalls, and secondary metallurgy vessels.
// Key Features
- Excellent basic slag and iron oxide erosion resistance at steelmaking temperatures
- High refractoriness exceeding 1700°C for BOF and EAF service conditions
- Strong chemical bond to magnesia-carbon and dolomite brick substrates
- Low silica impurity content for compatible joint chemistry with basic linings
// Technical Specifications
| Al2O3 (%) | ≤5 |
| Consistency (mm) | 100–135 |
| Water Addition (%) | 16–22 |
| Bond Strength (MPa) | ≥3.0 |
| Max Service Temp (°C) | 1700 |
// Applications
Basic oxygen furnace (BOF/converter) working lining brick jointsElectric arc furnace (EAF) sidewall and hotspot masonryRH degasser lower vessel refractory jointsSecondary metallurgy ladle slag zone brick masonryCopper and nickel smelting furnace magnesia-chrome brick lining
// Quick Specs
Max Temperature1700°C
Density2.60 g/cm³
StandardGB/T 22459
// Get Pricing
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