Insulating Bricks
ROYAL-GR-20
ROYAL-GR-20 by Royal Refractories. Lightweight insulating brick grades designed to reduce heat loss through industrial furnace and kiln shells.
Weight: 1.1 Kg
Technical Properties
| Service Temp | 1300°C |
| PCEOrton | 23 / 1605 |
| App Porosity Min | ≥70% |
| Bulk Density | 0.50 - 0.55 g/cm³ |
| CCSMin | ≥8 Kg/cm² |
| PLC | +/-1% at 1250°C/24 hrs |
| Thermal Conductivity600 | 0.22 kcal/m·hr·°C |
Chemical Analysis
| Al2O3 Min | 40% |
| Fe2O3 Max | 1.0% |
Additional Information
| Size Tolerance | ±1 mm on standard bricks, ±1% or ±1.5 mm on shaped bricks |
Typical applications
- • Furnace backup insulation
- • Kiln insulation systems
- • Energy-efficient thermal lining assemblies
Industries using this product family
Related Insulating Bricks
Technical Properties
| Service Temp | 1100°C |
| PCEOrton | 23 / 1605 |
| App Porosity Min | ≥60% |
| Bulk Density | 0.9 - 1.0 g/cm³ |
| CCSMin | ≥22 Kg/cm² |
| PLC | +/-0.5% at 1100°C/5 hrs |
| Thermal Conductivity600 | 0.25 kcal/m·hr·°C |
Chemical Analysis
| Al2O3 Min | 22% |
| Fe2O3 Max | 2.0% |
Additional Information
| Size Tolerance | ±1 mm on standard bricks |
Technical Properties
| Service Temp | 1300°C |
| PCEOrton | 29 / 1659 |
| App Porosity Min | ≥60% |
| Bulk Density | 0.95 - 1.05 g/cm³ |
| CCSMin | ≥30 Kg/cm² |
| PLC | +/-1.5% at 1350°C/5 hrs |
| Thermal Conductivity600 | 0.30 kcal/m·hr·°C |
Chemical Analysis
| Al2O3 Min | 30% |
| Fe2O3 Max | 2.0% |
Additional Information
| Size Tolerance | ±1 mm on standard bricks |
Technical Properties
| Service Temp | 1400°C |
| PCEOrton | 30/31 1665/1683 |
| App Porosity Min | ≥60% |
| Bulk Density | 1.00 - 1.10 g/cm³ |
| CCSMin | ≥30 Kg/cm² |
| PLC | +/-1.5% at 1400°C/5 hrs |
| Thermal Conductivity600 | 0.32 kcal/m·hr·°C |
Chemical Analysis
| Al2O3 Min | 40% |
| Fe2O3 Max | 1.5% |
Additional Information
| Size Tolerance | ±1 mm on standard bricks |
Need help confirming this grade for your lining requirement? Contact Royal Refractories for technical and quotation support.