PRODUCT NAME: High Alumina Brick Low Creep
TYPE: High Alumina Brick
TIME：2017-11-27
VIEWS：816
PRODUCT DESCRIPTION：YONAI High Alumina Brick
YONAI Low Creep High Alumina Brick is made of high class bauxite, electrical fused corundum and fused mullite.
Properties of YONAI Low Creep High Alumina Brick
1. Refractoriness is up to 1750℃~1790℃.
2. Refractoriness Under Load is higher than fireclay brick but lower than silica brick.
3. Due to the high content of Al2O3 , the product can resist acid and sodium slag corrosion.
Main Applications:
Blast Furnace, Hot Blasting Stove, Roof of electrical furnace, air furnace, reverberatory furnace, inner lining of rotary kiln.
ITEM
YONAI Low Creep High Alumina Brick
HAB-55
HAB-50
HAB-45
HAB-40
HAB-35
HAB-30
HAB-27
Al2O3 %
≥75
≥75
≥65
≥65
≥65
≥60
≥50
Apparent Porosity
≤20
≤21
≤22
≤22
≤22
≤22
≤23
Bulk Density g/cm3
2.65-2.85
2.65-2.85
2.50-2.70
2.40-2.60
2.35-2.30
2.30-2.50
2.30-2.50
Compressive
Strength Mpa
≥60
≥60
≥60
≥55
≥55
≥55
≥50
Creep Ratio
0.2Mpa*50h
1550 ℃
0.8
1500 ℃
0.8
1450℃
0.8
1400℃
0.8
1350℃
0.8
1300℃
0.8
1270℃
0.8
Reheating Linear Change
1550℃,2h
0.1-0.2
0.1-0.2
0.1-0.2
1450℃,2h
0.1-0.2
0.1-0.4
0.1-0.4
0.1-0.4
