Industrial Furnace Mullite Insulation Brick Lightweight High Temp Refractory Bricks

Price Negotiable
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

  1. Hot-face linings in industrial furnaces and kilns
  2. Backup insulation for energy-saving furnace systems
  3. Flue gas insulation in high-temperature environments
  4. Sulfur recovery equipment in petrochemical plants
  5. Hot blast stoves for ironmaking and steel production

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

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