refractory high alumina insulating brick (186) Online Manufacturer
Bulk Density: ≤1.2 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1350 ℃
Colore: Red
Al2O3: ≥48
Raw Material: Silica Sand
SiO2: ≥95%
Fe2O3: ≤2%
Bulk Density: ≤1.0g/cm3
Color: Red Or Yellow
Raw Material: Clay
Plc: ≥1280℃
Acid Resistance: Excellent
Al2O3: ≥75 %
Refractoriness: ≥1780 ℃
SiO2: 54.2%
Al2O3: 45%~70%
Color: Yellow
Apparent Porosity: ≤23%
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