thermal insulation clay bricks (185) Online Manufacturer
Raw Material: High Alumina
Color: White
Raw Material: Bauxite
Al2O3: ≥72%
Fe2O3: ≤2%
Apparent Porosity: ≤23%
Al2O3: ≥55 %
Refractoriness: ≥1760 ℃
Al2O3: ≤1.0%
Fe2O3: ≤1.3%
SiO2: ≥94.5 %
Al2O3: ≤1.5 %
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