GUNNING CASTABLES 70% ALUMINA

Properties	Value	GC70S001A	GC70S002A
Thermal Properties
Max. Service Temperature	(oC)	1650	1600
Permanent Linear Change	%	-0.10	+/-1.0
After heating at Temp.	oC	1500	1650
Chemical Properties
Alumina (Al2O3)	%	68.0	70.0
Iron Oxide (Fe2O3)	%	0.7	2.0
Physical Properties
Cold Crushing Strength at 110oC	kg/cm2	650	500
Dry Density	g/cm3	2.47	2.50
Max. Grain Size of Aggregates	mm		5