// SPEC · Monolithic Refractories
Ultra-Low Cement Dense Castable Al2O3 85% (CaO<0.5%)
Ultra-low cement dense castable Al2O3 85% with CaO<0.5% for near-zero porosity service in steel degassers, gasifiers, and petrochemical crackers. Maximum hot strength and chemical purity for the most demanding thermal environments.
// Key Features
- Ultra-low cement (CaO<0.5%) achieving near-zero porosity at service temperature
- Exceptional hot modulus of rupture maintained above 1600°C
- High chemical purity minimising contamination of processed materials
- Outstanding resistance to acidic and basic slag attack
// Technical Specifications
| Al2O3 (%) | ≥85 |
| Water Addition (%) | 4.0–5.5 |
| Max Service Temp (°C) | 1750 |
| Cold MOR after 110°C (MPa) | ≥18 |
| Bulk Density after 110°C (g/cm³) | ≥2.85 |
// Applications
Vacuum degasser (RH/VD) vessel inner liningPetrochemical cracking furnace radiant tube surroundLadle furnace (LF) roof and sidewallBlast furnace cast house trough liningHigh-pressure coal gasifier refractory lining
// Quick Specs
Max Temperature1750°C
Thermal Conductivity2.3 W/(m·K) at 1000°C
Density2.85 g/cm³
StandardGB/T 4513
// Get Pricing
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