GUNNING CASTABLES 50% ALUMINA

Properties	Value	GC50S001A	GC50S001B
Thermal Properties
Max. Service Temperature	(oC)	1500	1300
Permanent Linear Change	%	+0.90	-0.60
After heating at Temp.	oC	1500	1300
Thermal Conductivity at 600 oC	kcal/hr.m.oC		0.58
Thermal Conductivity at1000 oC	kcal/hr.m.oC		0.68
Chemical Properties
Alumina (Al2O3)	%	55.0	47.0
Iron Oxide (Fe2O3)	%	1.0	1.5
Physical Properties
Cold Crushing Strength at 110oC	kg/cm2	360	125
Dry Density	g/cm3	2.12	1.4