High Aluminum Insulation Brick for Rotary Kiln

1.Product introduction of high aluminum insulation brick

High aluminum insulation brick is also known as light alumina insulation brick. It is a new lightweight insulation material containing about 48% aluminum oxide, molyte, glass phase or corundum.

2. Features of high aluminum insulating brick

  1. High porosity.
  2. Small bulk density.
  3. Good insulation effect.
  4. High mechanical strength.
  5. Small thermal conductivity.

3. Parameters of high aluminum insulation brick

ItemLG-1.0LG-0.9LG-0.8LG-0.7LG-0.6
Al2O3≥48≥48≥48≥48≥48
Fe2O3≤2.0≤2.0≤2.0≤2.0≤2.0
Bulk Density (g/cm3)≤1≤0.9≤0.8≤0.7≤0.6
Cold Crushing strength (Mpa)≥3.92≥3.43≥2.94≥2.45≥1.96
Thermal Conductivity Coefficient (W/mk)≤0.45≤0.45≤0.35≤0.35≤0.3
Permanent Linear Change Rate (max 2%) (℃)14001400140013501350

4. Advantages of high aluminum insulation brick

This product has the characteristics of high temperature strength, corrosion resistance to various atmospheres, excellent thermal shock stability, good heat insulation, and significant energy saving effect.