heat insulation refractory fire brick (221) Online Manufacturer
Bulk Density: ≤1.2 G/cm3
Cold Crushing Strength: ≥4.5 MPa
Bulk Density: ≤1.2 G/cm3
Linear Change On Reheating,(5h,≤0.5 %): ≥1550 ℃
Apparent Porosity: ≤23%
CCS: ≥40Mpa
Raw Material: Silica Sand
Refractoriness: ≥1790℃
Raw Material: Andalusite From South African
Al2O3: ≥55%
Cold Crushing Strength: ≥3 MPa
Linear Change On Reheating,(5h,≤2%): ≥1250 ℃
Characteristic: Ceramic Fiber Board
Classification Of Temperature: 1300 ℃
Usage: Furnace Liner
Application: Reheating Furance
Cold Crushing Strength: ≥5.0 MPa
Linear Change On Reheating,(5h,≤2%): ≥1350 ℃
Bulk Density: ≤1.2 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1350 ℃
Bulk Density: ≤1 G/cm3
Cold Crushing Strength: ≥2 MPa
Characteristic: Ceramic Fiber Board
Classification Of Temperature: 1300 ℃
SiO2: 40~55
Al2O3: 30~60
Raw Material: Flint Clay
Al2O3: ≥32%
Cold Crushing Strength: ≥2.5 MPa
Linear Change On Reheating,(5h,≤2%): ≥1350 ℃
Al2O3: 45-82%
MgO: 0.8-1.2
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