Fire Concrete

Code name HAC 40 HAC 52 HAC 75 HAC 80
Chemical analysis
Al2O3% 40 52 70 80
SiO 2% 54 44 24 14
Required Kg/ft3 60 60 60 60
Grain size – Maximum 5 mm 5 mm 5 mm 5 mm
Less than 0.1 mm (%) 20(Min) 20(Min) 20(Min) 20(Min)
Maximemp. (℃) 1350 1450 1550 1600