GUNNING CASTABLES 40% ALUMINA

Properties	Value	GC40S001A	GC40S001B	GC40S001C	GC40S002A	GC40S002B	GC40S002C
Thermal Properties
Max. Service Temperature	(oC)	1260	1300	1500	1500	1500	1350
Permanent Linear Change	%	+0.60	-0.45	+1.0	+/-1.0	+/-1.0	+/-1.0
After heating at Temp.	oC	1260	1300	1500	1300	1400	1300
Chemical Properties
Alumina (Al2O3)	%	36.0	44.0	40.0	40.0	45.0	45.0
Iron Oxide (Fe2O3)	%	1.5	1.0	0.7	2.0	1.0	2.0
Physical Properties
Cold Crushing Strength at 110oC	kg/cm2	350	400	320	60-80	350-500	200-250
Dry Density	g/cm3	2.16	2.11	2.35	1.4-1.5	2.1-2.3	1.9-2.1
Max. Grain Size of Aggregates	mm			5	5	5	5