Andalusite Brick

1. High Working Temperature;

2. Good Thermal Shock Resistance;

3. Good Thermal Stability;

4. Good Erosion and Corrosion Resistance;

Applications

Andalusite bricks with excellent performance can fully meet the requirements for use in different parts of blast furnaces and hot blast stoves and in different working environments.

Technical Data of Andalusite Brick

Item		RH-155	RH-150	RH-145	RH-140	RH-135	RH-130
Al₂O₃, %	≥	69	65	61	57	53	49
Fe₂O₃, %	≤	1	1	1.2	1.2	1.5	1.5
TiO₂, %	≤	0.5	0.5	0.5	0.6	0.6	0.6
Apparent Porosity, %	≤	20	20	20	20	20	20
Bulk Density, g/cm³		2.55~2.70	2.50~2.65	2.45~2.60	2.40~2.55	2.35~2.50	2.30~2.45
Cold Crushing Strength, MPa		55	55	50	50	40	40
0.2MPa Refractoriness Under Load, ℃	≥	1700	1700	1650	1600	1520	1450
Permanent Line Change, %		1500℃*2h ±0.2			1450℃*2h ±0.2