Insulating Bricks Kiln Insulation Bricks Jm 23 Insulating Brick For Furnace Insulation
The insulating fire brick is a specialized refractory material designed for superior heat insulation while maintaining structural strength. Manufactured from high-quality refractory clays and carefully selected lightweight aggregates, each insulating brick offers excellent thermal efficiency, reducing energy loss in high-temperature operations. When you need reliable insulation refractory brick, these bricks provide a perfect combination of low thermal conductivity and high-temperature resistance.
The insulating fire brick, insulating brick, and insulation refractory brick are trusted solutions for energy-efficient, high-performance thermal insulation in both industrial and commercial furnaces.
Key Features
Low Thermal Conductivity – The insulating fire brick minimizes heat loss, improving furnace efficiency.
Lightweight Design – Easy handling and installation without compromising strength.
High-Temperature Resistance – Suitable for continuous service up to 1650°C depending on grade.
Excellent Thermal Shock Resistance – Maintains integrity through repeated heating cycles.
Variety of Grades and Sizes – Customizable insulating brick options to meet different application needs.
Laurel supply several grades of mullite insulating brick for use in applications from 1260°C to 1760°C.Each grade of brick is formulated to meet specific thermal and physical requirements.After firing each brick is machined to close dimensional tolerances.Insulating bricks are manufactured utilising exceptionally high purity clays and other ceramic materials.The carefully graded organics which are used during the manufacturing process burn out during firing to give a uniform pore structure.
| Item | JM23 | JM26 | JM28 | JM30 |
| AL2O3(%) | 38-44 | 50-58 | 65-70 | 70-73 |
| Fe2O3(%) | 1.0 | 0.9 | 0.8 | 0.7 |
| Classification Temperature (°C) | 1350 | 1430 | 1540 | 1600 |
| Bulk Density (g/cm3) | 0.8-1 | 0.8-1 | 0.8-1 | 0.8-1 |
| Reheating Linear Change (%) CT-30 °CX 8H | 1250°C -0.5 | 1400°C -0.5 | 1500°C -0.5 | 1550°C -0.5 |
| Cold Crushing Strength (Mpa) | 2.0-3.5 | 2.0-3.5 | 2.0-3.5 | 2.0-3.5 |
| Modulus of Rupture (Mpa) | 1.5 | 1.7 | 1.8 | 2.0 |
| Thermal conductivity400°C(W/m.k) | 0.25 | 0.27 | 0.32 | 0.41 |
| Thermal Expansion1000°C(%) | 0.5 | 0.7 | 0.8 | 0.9 |
B C serises:
| Item | B-1 | C-1 | C-2 |
| AL2O3(%) | 25-30 | 35-40 | 45-50 |
| Fe2O3(%) | 2 | 1 | 1 |
| Classification Temperature (°C) | 1000 | 1300 | 1400 |
| Bulk Density (g/cm3) | 0.8-1 | 0.8-1 | 0.8-1 |
| Cold Crushing Strength (Mpa) | 2-2.5 | 2.5-3.5 | 3.0-4.5 |
| Thermal conductivity400°C(W/m.k) | 0.17 | 0.23 | 0.25 |
1. High insulating properties
2. Strong compressive strength
3. Low heat storage
4. High purity
5. Tight dimensional tolerance
6. Energy saving
Application :
Primary hot face linings
Back-up insulation for furnaces and kilns
Flue insulation
Sulphur recovery
HIGH LIGHT :
high temperature insulation brick, alumina silica fire brick,fire proof bricks, clay fire bricks, insulating refractory brick,Straight K-23 Firebrick,wedge insulating bricks
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