Technical Specification of Blast Furnace & Stove Bricks
Product code	AL2O3 %		Fe2O3 %	P.C.E. (Orton)	AP %	B.D. gm/cc	C.C.S. kg/cm	R.U.L Ta°C	P.L.C.AR at °C for 2 hrs.	%	Characteristics & Use
Blast Furnace
AR-45SD	45		1.2	33	15	2.30	600	1500	1500	0.5	For typical appliction for blast furnace proper.
AR-62SD	62		1.0	37	16	2.55	700	1600	1500	0.2	-do-.
Stove
AR-30	30		2.5	30	23	2.0	250	1450	1450	0.8	For typical application in hot blast stove walls and chequeres.
AR-42	42		2.0	321/2	23	2.15	300	1450	1450	0.8	-do-
AR-45	45		2.0	33	23	2.20	300	1450	1450	0.5	-do-
AR-62	62		1.5	36	22	2.40	400	1520	1500	0.5	-do-
AR-75	75		1.2	38	22	2.70	600	1600	1600	0.5	-do-
AR-85	85		0.8	38	22	2.80	700	1650	1700	0.5	-do-

Note
The above data relates to standard sized, machine pressed bricks only. For bigger & pneumatically rammed shapes, results may vary. General size tolerance will be1.5% or 2mm whichever is greater.

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