heat insulation refractory fire brick (221) Online Manufacturer
Color: Yellow
Raw Material: Silica Sand
SiO2: ≥94.5 %
Al2O3: ≤1.5 %
Bulk Density: ≤1.0 G/cm3
Cold Crushing Strength: ≥3.5 MPa
Modulus Of Rupture: 70~80
Creep Rate: ≥1350℃
Fe2O3: ≤2%
Apparent Porosity: ≤23%
Bulk Density: ≤0.8 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1250 ℃
Standard Size: 230*114*73mm
Thermal Shock Resistance: Good
Characteristic: Ceramic Fiber Board
Classification Of Temperature: 1300 ℃
Bulk Density: ≤1.2 G/cm3
Cold Crushing Strength: ≥4.5 MPa
Bulk Density: ≤0.8 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1250 ℃
Acid Resistance: Excellent
Bulk Dendisty: 2.1-2.2
Al2O3: ≥65 %
Refractoriness: ≥1780 ℃
Raw Material: Andalusite
CCS: ≥60Mpa
SiO2: 48%
Al2O3: 45%
Characteristic: Ceramic Fiber Board
Classification Of Temperature: 1300 ℃
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