// SPEC · Monolithic Refractories
Corundum Ramming Mix Al2O3 90%
Corundum ramming mix Al2O3 90% for high-performance induction furnace, non-ferrous metal melting, and precision casting. Refractoriness to 1800°C, low apparent porosity, and excellent resistance to metallic melt erosion and penetration.
// Key Features
- Ultra-high refractoriness enabling continuous service to 1800°C
- Low apparent porosity after sintering minimizing metallic melt penetration
- Excellent chemical inertness to non-ferrous and ferrous metallic melts
- Consistent dense sintering forming tight, crack-resistant furnace lining
// Technical Specifications
| Cold CCS (MPa) | 70 |
| Grain Size (mm) | 0–3 |
| Main Component (%) | Al2O3 ≥ 90 |
| Sintering Temp (°C) | 1550 |
| Max Service Temp (°C) | 1800 |
// Applications
High-performance coreless induction furnace liningAluminum alloy and copper alloy induction melting furnaceNon-ferrous metal melting and holding furnace liningPrecision investment casting mold backing materialChemical reactor and high-temperature process vessel lining
// Quick Specs
Max Temperature1800°C
Thermal Conductivity3.2 W/(m·K) at 1000°C
Density3.05 g/cm³
StandardGB/T 25415
// Get Pricing
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