Colophony Al2O3-MgO- C Bricks

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Introduction
Changyi colophony alumina magnesia carbon brick takes the superior bauxite or corudum as raw materials, caring the aggrandizement of matrix and being shaped by the high pressure, which has characteristics of anti-erosion, anti stripping and fine integration, suitable for the bottom and wall of molten steel container
Physical and chemical index of Colophony Al₂O₃-MgO- C Bricks

Item		Index
		LMT76	LMT74	LMT72
Chemica lingredients                 (%);≥	Al2O3+Mgo	76	74	74
	Mgo	14	12	10
	C	8	8	7
Macro porosity rate(%);≤		8	9	10
Volume density (g/cm3);≥		2.90	2.85	2.80
Normal temperature Compressive strength  ( Mpa);≥		55	45	40
0.2Mpa Load soften beginning temperature;≥		1670	1630	1600