Industrial Furnace Mullite Insulation Brick Lightweight High Temp Refractory Bricks
Price:
0.6usd-2.3usd/pc
MOQ:
500 pcs
Delivery Time:
10-15days
Brand:
LEADSUN
Product Description
Mullite Insulation Brick For Industrial Furnace JM23JM26 JM28 JM30 Lightweight
Leadsun insulating bricks are available in a wide range of grades, covering service temperatures from 1260°C to 1760°C. Each grade is engineered to meet precise thermal and mechanical requirements for demanding industrial applications. Post-firing machining guarantees accurate dimensions and quick, reliable installation.
Technical data
| 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 (℃) | 1350 | 1430 | 1540 | 1600 |
| Bulk Density (g/cm3) | 0.6-1.0 | 0.8-1.0 | 0.9-1.0 | 1.0-1.3 |
| Reheating Linear Change (%) CT-30 ℃X 8H |
1250℃ -0.5 |
1400℃ -0.5 |
1500℃ -0.5 |
1550℃ -0.5 |
| Cold Crushing Strength (Mpa) | 3.0-4.5 | 3.0-4.5 | 3.0-4.5 | 3.0-4.5 |
| Modulus of Rupture (Mpa) | 1.5 | 2.0 | 2.5 | 3.0 |
| Thermal conductivity 400℃(W/m.k) | 0.25 | 0.27 | 0.32 | 0.41 |
| Thermal Expansion1000℃(%) | 0.5 | 0.7 | 0.8 | 0.9 |
Key Advantages
- Lightweight & Energy-Saving Insulation Brick
- Low Thermal Conductivity Mullite Brick
- High Temperature Mullite Insulating Refractory
- Long Service Life Insulating Brick for Furnace Lining
Applications
- Hot-face linings in industrial furnaces and kilns
- Backup insulation for energy-saving furnace systems
- Flue gas insulation in high-temperature environments
- Sulfur recovery equipment in petrochemical plants
- Hot blast stoves for ironmaking and steel production

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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Qingdao Leadsun Refractory Co., Ltd
Location
No. 700, Qingshan Road, Licang District, Qingdao, China
Contact Person
Tony