HIGH ALUMINA BRICKS 80% ALUMINA

Properties	Value	HA80S001A	HA80S001B	HA80S001C	HA80S002A
Thermal Properties
Permanent Linear Change	%	+1.50	+1.50	+0.50	+2.5
After heating at Temp.	oC	1600	1600	1600	1500
Thermal Conductivity at 600 oC	kcal/hr.m.oC		1.79	1.89
Thermal Conductivity at1000 oC	kcal/hr.m.oC		1.72	1.76
Chemical Properties
Alumina (Al2O3)	%	80.0	80.5	85.0	80.0
Iron Oxide (Fe2O3)	%	1.3	1.5	1.2	2.0
Physical Properties
Cold Crushing Strength at 110oC	kg/cm2	500	800	400	500
Dry Density	g/cm3	2.75	2.72	2.92	2.70