insulating fire clay bricks for kilns (160) Online Manufacturer
Al2O3 %: ≥48
Fe2O3 %: ≤2.0
Raw Material: Corundum, Mullite, Bauxite
Color: Ivory White
Fe2O3: ≤2%
Apparent Porosity: ≤23%
Raw Material: Mullite
Al2O3: ≥50%
Shape: Checker Brick
Material: Silica
Apparent Porosity: ≤23%
CCS: ≥40Mpa
AL2O3(%): ≥36
Fe2O3(%): ≤1.0
Cold Crushing Strength: ≥2.5 MPa
Linear Change On Reheating,(5h,≤2%): ≥1350 ℃
Color: Yellow
Apparent Porosity: ≤23%
Raw Material: High Alumina
Color: White
Al2O3: ≤1.0%
Fe2O3: ≤1.3%
Al2O3: ≥75 %
Refractoriness: ≥1780 ℃
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