Detailed Product Description

HIGH ALUMINA BRICKS

BRAND		LZ-60
Chemical composition	Al2O3	60-65%
	SiO2	30-36%
Refractoriness Under Load  ()		1700min
Bulk density (g/cm3)		2.5-2.7
Thermal conductance (w/m.k)		1.7max
Cold Crushing Strength (Mpa)		70min
Apparent Porosity (%)		14-17
Pyrometric Cone Equivalent		40

Item Properties	Al2O3% ¡Ý	Fe2O3% ¡Ý	Zr2O% ¡Ý	Refractory ¡ãC ¡Ý	Apparent Porosity% ¡Ý	Bulk density g/cm3 ¡Ý	Cold crushing strength Mpa ¡Ý	Refractoriiness under load 0.2MPa ¡ãC¡Ý	Permanent linear change%	Thermal shock Resistance(water cycle) 1100¡ãC¡Ý
HIGH-ALUMINA BRICK FOR ELECTRICAL ARCH FURNACE
DL-80	80			1790	19		78.5	1530	0-0.3
DL-75	75			1790	19		68.6	1530	0-0.4
HIGH-ALUMINA BRICK FOR BLAST FURNACE
GL-65	65	2.0		1790	19		58.8	1500	0-0.2
GL-55	55	2.0			19		49.0	1480	0-0.2
GL-48	48	2.0			18		49.0	1450	(1450¡ãC¡Á2h))0-0.2
THERMAL SHOCK RESISTANCE HIGH-ALUMINA BRICKS
KBLZ-75	75		5-7		23	2.6	50	1500		20
KBLZ-70	70		5-7		25	2.55	45	1470		20
LOW GREEP HIGH-ALUMINA BRICKS
DRLZ-80	85				20		60		(1550¡ãC)0.8
DRLZ-75	75				20		55		(1550¡ãC)0.8
DRLZ-65A	65				19		50		(1450¡ãC)1.0
DRLZ-65B	65				22		45		(1400¡ãC)0.8
DRLZ-60	60				22		40		(1300¡ãC)0.8