Ambition refractories co.,ltd. produce and supply High Alumina Bricks

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Refractory Bricks-High Alumina Bricks

High Alumina Bricks

Technical Data

Item		LZ-80	LZ-75	LZ-65	LZ-55	LZ-48
Al₂O₃ % ≥		80	75	65	55	48
Apparent porosity % ≤		22	23	23	22	22
Cold crush strength Mpa ≥		55	50	45	40	35
0.2 Mpa refractoriness under load (℃)≥		1530	1520	1550	1450	1420
Linear change after reheating %	1500℃×2h	0.1~-0.4	0.1~-0.4	0.1~-0.4	0.1~-0.4	-
Linear change after reheating %	1450℃×2h	-	-	-	-	0.1~-0.4

Ambition refractories co., ltd.