insulating fire clay bricks for kilns (170) Online Manufacturer
Apparent Porosity: ≤23%
CCS: ≥40Mpa
AL2O3(%): ≥36
Fe2O3(%): ≤1.0
Raw Material: Bauxite
Al2O3: ≥72%
Bulk Density: ≤0.7 G/cm3
Cold Crushing Strength: ≥2.0 MPa
Cold Crushing Strength: ≥2.5 MPa
Linear Change On Reheating,(5h,≤2%): ≥1350 ℃
Raw Material: High Alumina
Color: White
Al2O3: ≤1.0%
Fe2O3: ≤1.3%
SiO2: ≥94.5 %
Al2O3: ≤1.5 %
Al2O3: ≥75 %
Refractoriness: ≥1780 ℃
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