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High alumina refractory bricks

Product details

Project		Index
		LZ-75	LZ-65	LZ-55	LZ-48
Al ₂ O ₃		75	65	55	48
Refractoriness, ℃ ≥		1790	1790	1770	1750
0.2MPa Refractoriness under load, ℃ ≥		1520	1500	1470	1420
Reheating linear change,%	1500 ° C, 2h	+0.1 -0.4
	1450 ° C, 2h				+0.1 -0.4
Apparent Porosity,% ≤		23		22
Cold crushing strength MPa ≥		53.9	49.0	44.1	39.2

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