Magnesia–alumina spinel brick
Magnesia & spinel bricks
Selected cement rotary-kiln burning and transition zones; other basic refractory positions after review.
- MgO (%)
- 80–82
- Al₂O₃ (%)
- 12–15
- RUL at 0.2 MPa (°C)
- ≥1700
Catalogue reference values
Material families
Magnesia & Spinel Refractory Bricks
Explore magnesia-alumina spinel, magnesia-iron spinel and magnesia bricks for selected cement, glass and metallurgical lining positions. The process chemistry and the exact furnace zone guide the discussion.
Products in this family
Fused-magnesia brick — 95 grade
Magnesia & spinel bricks
Selected glass-regenerator and metallurgical furnace positions.
- MgO (%)
- ≥95
- CaO (%)
- ≤1.5
- SiO₂ (%)
- ≤1.5
Catalogue reference values
Magnesia–iron & hercynite spinel bricks
Magnesia & spinel bricks
Rotary-kiln burning and transition zones.
Tell us your application to discuss product options.
97 / 98 fused-magnesia brick families
Magnesia & spinel bricks
Selected glass-regenerator and metallurgical positions.
Tell us your application to discuss product options.
Before choosing a material
01
Different process positions
Spinel-containing brick options can be discussed for selected cement rotary-kiln burning and transition zones. Magnesia entries also cover selected glass-regenerator and metallurgical positions. Suitability must be reviewed for the specific position rather than assumed across an entire furnace.
02
Information that helps selection
For cement-kiln enquiries, describe the fuel mix, coating behaviour, shutdown history and existing damage. For other furnaces, share the atmosphere and chemical exposure. Nominal magnesia content alone does not establish corrosion performance.
03
Shape, storage and supply
Identify the current shape or drawing revision, quantity and delivery destination. Discuss storage conditions and protection requirements with the selected grade. Website catalogue designations remain separate from the specification agreed for supply.
Related buying guides
Refractory materials for cement kiln systems
A starting overview of shaped materials, castables and insulation for cement-kiln discussions.
How to read refractory technical data
Understand composition, porosity, strength and thermal properties before comparing grades.
Details to discuss before supply
Keep specifications, documentation and delivery requirements clear.
Start with the information you have
A product name, equipment position or photo is enough to begin. Share your destination country and reply contact; drawings and detailed specifications can follow.
Discuss your requirementApplication focus
Related applications
Cement kilns
Explore bricks and castables for cement kiln lining and repairs. Compare application zones, prepare a focused enquiry and discuss material or project supply.
Glass furnace regenerators
Discuss magnesia bricks, regenerator shapes and compatible jointing materials for glass furnaces. Start with the existing position, assembly and operating conditions.
Nonferrous smelting furnaces
Discuss lining bricks and repair materials for selected nonferrous furnace positions. Define metal, slag exposure, atmosphere and the replacement or repair requirement.