Description of Low Creep Andalusite Refractory Brick Hot Blast Fire Brick Stove Coke Oven:
Andalusite bricks are a type of refractory brick known for their exceptional high-temperature resistance and excellent thermal shock resistance. They are primarily composed of andalusite, a naturally occurring mineral with a unique crystal structure that imparts outstanding refractory properties.

Features and applications of Low Creep Andalusite Refractory Brick:
1.High Heat Resistance
2.Excellent Thermal Shock Resistance:
3.Chemical Inertness:
4.Abrasion Resistance

Common Applications of Low Creep Andalusite Refractory Brick :
Andalusite bricks find applications in industries like metallurgy, ceramics, glass, cement, and other high-temperature processes. They are commonly used in areas of furnaces, kilns, and other high-temperature equipment.

Grades and Specifications:
Andalusite bricks are available in various grades and specifications, tailored to different temperature ranges and specific application requirements. These may include different compositions or additives to enhance certain properties.

Technical Parameter of Low Creep Andalusite Refractory Brick :

Item	Index
	RH155	RH150	RH145	RH140	RH135
Al2O3 %	≥69	≥65	≥61	≥57	≥53
Fe2O3 %	≤1.0	≤1.0	≤1.2	≤1.2	≤1.5
TiO2 %	≤0.5	≤0.5	≤0.5	≤0.6	≤0.6
Bulk Density g/cm3	≤20	≤20	≤20	≤20	≤20
Apparent Porosity %	2.55~2.70	2.50~2.65	2.45~2.60	2.40~2.55	2.35~2.50
Cold Crushing Strength MPa	≥55	≥55	≥50	≥50	≥40
0.2Mpa Refractoriness Under Load ℃	≥1700	≥1700	≥1650	≥1600	≥1520
Permanent Linear Change Rate %	1500℃×2h ±0.2	1500℃×2h   ±0.2	1500℃×2h   ±0.2	1450℃×2h   ±0.2	1450℃×2h ±0.2
Creep Rate % 0.2MPa 0~50h	≤0.8 1550℃	≤0.8   1500℃	≤0.8   1450℃	≤0.8   1400℃	≤0.8 1350℃