// SPEC · Refractory Bricks
Direct Bonded Chrome Magnesia Brick MgO 70% Cr2O3 12%
Direct bonded chrome magnesia brick with MgO 70% and Cr2O3 12%, providing high-purity periclase-chromite bonding for exceptional corrosion resistance. Ideal for zinc fuming furnaces, lead blast furnaces, and secondary copper refining.
// Key Features
- Direct periclase-chromite bonding for high-temperature structural integrity
- Excellent resistance to zinc and lead oxide-bearing slags
- Low porosity limiting penetration by molten non-ferrous metals
- High refractoriness under load exceeding 1680°C for demanding zones
// Technical Specifications
| MgO (%) | ≥70 |
| Cr2O3 (%) | ≥12 |
| Apparent Porosity (%) | ≤16 |
| Cold Crushing Strength (MPa) | ≥55 |
| Refractoriness Under Load (°C) | ≥1680 |
// Applications
Zinc fuming furnace tuyere and sidewall zoneLead blast furnace tuyere liningSecondary copper refining furnace working liningZinc oxide rotary kiln hot zoneTin smelting reverberatory furnace hearth
// Quick Specs
Max Temperature1800°C
Thermal Conductivity3.3 W/(m·K) at 600°C
Density3.20 g/cm³
StandardGB/T 2275
// Get Pricing
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