Technical Specification of Low Iron Oxide High Alumina Bricks
Product code	AL2O3 %	Fe2O3 %	PCE Orton	AP %	BD gm/cc	CCS kg/cm	RUL Ta°C	PLCAR at °C	For 2 hrs %	Characteristics & Use
AR-50	50	1.5	34	23	2.2	350	1460	1450	0.5	Good thermal shock resistance; resistant to alkali and carbon monoxide attack.
AR-54	54	1.5	35	23	2.3	350	1480	1500	0.5	Excellent resistance to thermal shock, slag, alkali and carbon monoxide.
AR-62	62	1.5	36	22	2.4	400	1520	1500	0.5	Suitable for various applications in steel, glass and non-ferrous industries.
AR-62D	62	1.0	37	20	2.4	600	1600	1500	0.2	Super dense bricks, suitable for use in blast furnace, ladle & glass industries.
AR-70S	70	1.2	37	20	2.6	600	1600	1600	0.5	Super dense, resistant to corrosion, high resistance to abrasion. Suitable for rotary kiln and glass industries.
AR-80SD	80	1	38	18	2.8	600	1650	1600	0.2	Super dense high alumina bricks for very special applications.
AR-85SD	85	0.8	38	18	2.8	600	1680	1600	0.2	-do-
AR-85SD	85	0.8	38	16	2.9	600	1500	1500	0.5	Super dense chemically bonded bricks for special applications.

Note
The above data relates to standard sized, machine pressed bricks only.For bigger & pneumatically rammed shapes, results may vary. General size tolerance will be 1.5% or 2mm whichever is greater.

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