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Porosint Insulation Bricks Porosint Insulation Bricks

Porosint Insulation Bricks

Product Details:

  • Bricks Type Other
  • Color White
  • Size 9 In. X 4 In. X 3 In.
  • Shape Rectangular
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Porosint Insulation Bricks Product Specifications

  • White
  • Rectangular
  • 9 In. X 4 In. X 3 In.
  • Other

Product Description

Mullite insulation brick holds special grade mullite (3Al2O32SiO2) as the major crystal phase. The content of alumina in mullite insulating brick is 42%-72%. The service temperature could be 1250-1600.

1. Bulk Density: 0.6-1.2g/cm3
2. Al2O3: 30-45% 

Performance Characters:

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

Application:

Mullite insulating brick is widely used in different types of high temperature furnaces or kilns. For example, it is widely used for hot-blast furnace, regenerative chamber of glass melting furnace, ceramic kiln, blind angle furnace lining of petroleum cracking system, shuttle kiln, roller kiln and petrochemical burning pits and so on.

Item JM23 JM26 JM28 JM30
AL2O3(%) 38-44 50-58 65-70 70-73
Fe2O3(%) 1 0.9 0.8 0.7
Classification Temperature () 1350 1430 1540 1600
Bulk Density (g/cm3) 0.6-1 0.8-1 0.8-1 0.8-1
Reheating Linear Change (%)   CT-308h 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 1.7 1.8 2
Thermal conductivity400(W/m.k) 0.25 0.27 0.32 0.41
Thermal Expansion1000%) 0.5 0.7 0.8 0.9

 

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