Insulating FireBricks
Skyline Components supplies insulating firebricks (IFB) for use at high
temperature up to 3200 °F. They are made from refractory clays and
other materials, but don’t contain any organic materials. Because of
their porous structure, the materials have excellent thermal insulation
properties. Insulating firebricks are soft and light in weight. They can be
easily cut by handhold saw or any other hand tool like chisel or even
drill bit. They can be used as hot face refractory linings or as back-up
insulation behind other refractory materials in furnaces, ovens, stoves
and kilns heated up with either electric spiral elements or gas burners.

Characteristics

  • Low thermal conductivity
  • Low heat storage
  • Excellent thermal stability
  • Thermal shock resistance
  • Excellent corrosion resistance
  • Easy to cut, machinable
  • High Purity
Type
IFB23
IFB26
IFB28
IFB30
IFB32
Classification Temperature
2300 °F
2600 °F
2800 °F
3000 °F
3200 °F
Density (lb / ft^3)
34
50
56
62
87
Cold Crushing Strength (MPa)
1.2
1.6
2.1
2.5
3.5
Modulus of Rupture (MPa)
0.7
0.8
0.9
1.2
1.7
Permanent Linear Change
(after 12 hours soaking)
0.5%
(2240 °F)
1.0%
(2550 °F)
1.0%
(2750 °F)
1.0%
(2950 °F)
1.0%
(3050 °F)
Thermal conductivity
(W/m/K)
@ 1470°F
0.22
0.35
0.36
0.44
0.56
Al2O3 concentration
48%
57%
66%
73%
76%
Specification
Insulating Firebricks
Insulating Firebrick
Tucson, Arizona, USA
Skyline Components, LLC