refractory high alumina insulating brick (186) online manufacturer
Al2O3: 38%-75%
Fe2O3: 1.0%Max
Cold Crushing Strength: ≥4.5 MPa
Linear Change On Reheating,(5h,≤2%): ≥1400 ℃
Al2O3: ≥50
Apparent Porosity: ≤23
Shape: Brick
Al2o3 Content (%): 48%-85%
Bulk Density: ≤≤1.2 G/cm3
Cold Crushing Strength: ≥4.5 MPa
Al2O3: ≥62
SiO2: ≤36
Application: High Temperature Industrial Furnaces, Kilns, Etc.
Cold Crushing Strength: ≥120MPa
SiO2: 40~55
Al2O3: 30~60
Material: Bauxite
Color: White
Color: Yellow
Raw Material: Silica Sand
Bulk Denisty: ≥2.2
CCS: ≥45Mpa
Raw Material: Andalusite
Al2O3: ≥65%
Al2O3 %: ≥48-90
Fe2O3 %: ≤1.0
SiO2: 40~55
Al2O3: 30~60
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