Firebrick

Allied provides a variety of firebrick compositions and strengths to fit a wide range of applications.

MATERIAL DETAILS

Brick TypeChemical AnalysisBulk Density (g/cm3)
Silicon Carbide and Nitride BrickSi3N4 22%
SiO2 73%
2.64
(165 lb/ft3)
Medium Duty FirebrickAl2O3 32.9%
SiO2 59.9%
2.07 – 2.13
(129 – 133 lb/ft3)
High Duty FirebrickAl2O3 34.55%
SiO2 58.9%
2.05 – 2.16
(128 – 135 lb/ft3)
Super Duty FirebrickAl2O3 42.1%
SiO2 53.56%
2.21 – 2.27
(138 – 142 lb/ft3)
70% Alumina BrickAl2O3 94%
SiO2 4.9%
2.07 – 2.13
(129 – 133 lb/ft3)
85% Alumina BrickAl2O3 83.7%
SiO2 8.1%
2.89
(181 lb/ft3)
90% Alumina BrickAl2O3 89.8%
SiO2 6.2%
3.6
(184 lb/ft3)

Also available: Square-edge tile