High Alumina Bricks for General Use

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Detailed parameters

Product description

Product profile:High Alumina Bricks for General Use

HIGH ALUMINA BRICKS FOR GENERAL USE
Goods Brand		LZ-80	LZ-75	LZ-65	LZ-55	LZ-48
Al2O3(%) min		80	75	65	55	48
Refractriness under load 0.2 Mpa ( ℃) min		1530	1520	1500	1450	1420
Apparent porosity (%) max		22	23	23	22	22
Cold Crushing strength (MPa)min		55	50	45	40	35
Shrinkage after reheating (%) max	1500℃x2h	+0.1~-0.4	+0.1~-0.4	+0.1~-0.4	+0.1~-0.4	***
Shrinkage after reheating (%) max	1450℃x2h	***	***	***	***	+0.1~-0.4

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