Fire bricks commonly comes in dimension of 9"×4.5"×3"and also has the following features
-Low thermal conductivity.
-Excellent acid and base slagging resistanc
-High refractoriness
-Excellent thermal shock resistance
-Excellent mechanical strength
-Good spalling resistance and wear resistance.
-Good corrosion resistance.
-High-temperature creep rate is quite low.
-Good volume stability at high temperature.
-Low bulk density, low thermal conductivity, good thermal insulation performance.